PLT-5873 Renamed private groups to private channels (#5924)

* PLT-5873 Renamed private groups to private channels in web app

* PLT-5873 Renamed private groups to private channels in server

19 files changed, 146 insertions, 303 deletions

diff --git a/webapp/components/admin_console/policy_settings.jsx b/webapp/components/admin_console/policy_settings.jsx
index c8c145b8d..13101e828 100644
--- a/webapp/components/admin_console/policy_settings.jsx
+++ b/webapp/components/admin_console/policy_settings.jsx
@@ -179,7 +179,7 @@ export default class PolicySettings extends AdminSettings {
                     label={
                         <FormattedMessage
                             id='admin.general.policy.restrictPrivateChannelCreationTitle'
-                            defaultMessage='Enable private group creation for:'
+                            defaultMessage='Enable private channel creation for:'
                         />
                     }
                     value={this.state.restrictPrivateChannelCreation}
@@ -187,7 +187,7 @@ export default class PolicySettings extends AdminSettings {
                     helpText={
                         <FormattedMessage
                             id='admin.general.policy.restrictPrivateChannelCreationDescription'
-                            defaultMessage='Set policy on who can create private groups.'
+                            defaultMessage='Set policy on who can create private channels.'
                         />
                     }
                 />
@@ -202,7 +202,7 @@ export default class PolicySettings extends AdminSettings {
                     label={
                         <FormattedMessage
                             id='admin.general.policy.restrictPrivateChannelManagementTitle'
-                            defaultMessage='Enable private group renaming for:'
+                            defaultMessage='Enable private channel renaming for:'
                         />
                     }
                     value={this.state.restrictPrivateChannelManagement}
@@ -210,7 +210,7 @@ export default class PolicySettings extends AdminSettings {
                     helpText={
                         <FormattedMessage
                             id='admin.general.policy.restrictPrivateChannelManagementDescription'
-                            defaultMessage='Set policy on who can rename and set the header or purpose for private groups.'
+                            defaultMessage='Set policy on who can rename and set the header or purpose for private channels.'
                         />
                     }
                 />
@@ -225,7 +225,7 @@ export default class PolicySettings extends AdminSettings {
                     label={
                         <FormattedMessage
                             id='admin.general.policy.restrictPrivateChannelDeletionTitle'
-                            defaultMessage='Enable private group deletion for:'
+                            defaultMessage='Enable private channel deletion for:'
                         />
                     }
                     value={this.state.restrictPrivateChannelDeletion}
@@ -233,7 +233,7 @@ export default class PolicySettings extends AdminSettings {
                     helpText={
                         <FormattedMessage
                             id='admin.general.policy.restrictPrivateChannelDeletionDescription'
-                            defaultMessage='Set policy on who can delete private groups. Deleted groups can be recovered from the database using a {commandLineToolLink}.'
+                            defaultMessage='Set policy on who can delete private channels. Deleted channels can be recovered from the database using a {commandLineToolLink}.'
                             values={{
                                 commandLineToolLink: (
                                     <a
diff --git a/webapp/components/analytics/system_analytics.jsx b/webapp/components/analytics/system_analytics.jsx
index bd09b8b0b..b7a10f43b 100644
--- a/webapp/components/analytics/system_analytics.jsx
+++ b/webapp/components/analytics/system_analytics.jsx
@@ -12,34 +12,11 @@ import * as AsyncClient from 'utils/async_client.jsx';
 import Constants from 'utils/constants.jsx';
 const StatTypes = Constants.StatTypes;
 
-import {injectIntl, intlShape, defineMessages, FormattedMessage, FormattedHTMLMessage} from 'react-intl';
-
-const holders = defineMessages({
-    analyticsPublicChannels: {
-        id: 'analytics.system.publicChannels',
-        defaultMessage: 'Public Channels'
-    },
-    analyticsPrivateGroups: {
-        id: 'analytics.system.privateGroups',
-        defaultMessage: 'Private Groups'
-    },
-    analyticsFilePosts: {
-        id: 'analytics.system.totalFilePosts',
-        defaultMessage: 'Posts with Files'
-    },
-    analyticsHashtagPosts: {
-        id: 'analytics.system.totalHashtagPosts',
-        defaultMessage: 'Posts with Hashtags'
-    },
-    analyticsTextPosts: {
-        id: 'analytics.system.textPosts',
-        defaultMessage: 'Posts with Text-only'
-    }
-});
+import {FormattedMessage, FormattedHTMLMessage} from 'react-intl';
 
 import React from 'react';
 
-class SystemAnalytics extends React.Component {
+export default class SystemAnalytics extends React.Component {
     constructor(props) {
         super(props);
 
@@ -249,8 +226,8 @@ class SystemAnalytics extends React.Component {
                 </div>
             );
 
-            const channelTypeData = formatChannelDoughtnutData(stats[StatTypes.TOTAL_PUBLIC_CHANNELS], stats[StatTypes.TOTAL_PRIVATE_GROUPS], this.props.intl);
-            const postTypeData = formatPostDoughtnutData(stats[StatTypes.TOTAL_FILE_POSTS], stats[StatTypes.TOTAL_HASHTAG_POSTS], stats[StatTypes.TOTAL_POSTS], this.props.intl);
+            const channelTypeData = formatChannelDoughtnutData(stats[StatTypes.TOTAL_PUBLIC_CHANNELS], stats[StatTypes.TOTAL_PRIVATE_GROUPS]);
+            const postTypeData = formatPostDoughtnutData(stats[StatTypes.TOTAL_FILE_POSTS], stats[StatTypes.TOTAL_HASHTAG_POSTS], stats[StatTypes.TOTAL_POSTS]);
 
             let postTypeGraph;
             if (stats[StatTypes.TOTAL_POSTS] !== -1) {
@@ -430,16 +407,12 @@ class SystemAnalytics extends React.Component {
     }
 }
 
-SystemAnalytics.propTypes = {
-    intl: intlShape.isRequired
-};
-
-export default injectIntl(SystemAnalytics);
-
-export function formatChannelDoughtnutData(totalPublic, totalPrivate, intl) {
-    const {formatMessage} = intl;
+export function formatChannelDoughtnutData(totalPublic, totalPrivate) {
     const channelTypeData = {
-        labels: [formatMessage(holders.analyticsPublicChannels), formatMessage(holders.analyticsPrivateGroups)],
+        labels: [
+            Utils.localizeMessage('analytics.system.publicChannels', 'Public Channels'),
+            Utils.localizeMessage('analytics.system.privateGroups', 'Private Channels')
+        ],
         datasets: [{
             data: [totalPublic, totalPrivate],
             backgroundColor: ['#46BFBD', '#FDB45C'],
@@ -450,10 +423,13 @@ export function formatChannelDoughtnutData(totalPublic, totalPrivate, intl) {
     return channelTypeData;
 }
 
-export function formatPostDoughtnutData(filePosts, hashtagPosts, totalPosts, intl) {
-    const {formatMessage} = intl;
+export function formatPostDoughtnutData(filePosts, hashtagPosts, totalPosts) {
     const postTypeData = {
-        labels: [formatMessage(holders.analyticsFilePosts), formatMessage(holders.analyticsHashtagPosts), formatMessage(holders.analyticsTextPosts)],
+        labels: [
+            Utils.localizeMessage('analytics.system.totalFilePosts', 'Posts with Files'),
+            Utils.localizeMessage('analytics.system.totalHashtagPosts', 'Posts with Hashtags'),
+            Utils.localizeMessage('analytics.system.textPosts', 'Posts with Text-only')
+        ],
         datasets: [{
             data: [filePosts, hashtagPosts, (totalPosts - filePosts - hashtagPosts)],
             backgroundColor: ['#46BFBD', '#F7464A', '#FDB45C'],
diff --git a/webapp/components/analytics/team_analytics.jsx b/webapp/components/analytics/team_analytics.jsx
index 135bab4b4..cc179a370 100644
--- a/webapp/components/analytics/team_analytics.jsx
+++ b/webapp/components/analytics/team_analytics.jsx
@@ -270,7 +270,7 @@ export default class TeamAnalytics extends React.Component {
                         title={
                             <FormattedMessage
                                 id='analytics.team.privateGroups'
-                                defaultMessage='Private Groups'
+                                defaultMessage='Private Channels'
                             />
                         }
                         icon='fa-globe'
diff --git a/webapp/components/audit_table.jsx b/webapp/components/audit_table.jsx
index 34e61dbac..e7d366f04 100644
--- a/webapp/components/audit_table.jsx
+++ b/webapp/components/audit_table.jsx
@@ -14,7 +14,7 @@ const holders = defineMessages({
     },
     channelCreated: {
         id: 'audit_table.channelCreated',
-        defaultMessage: 'Created the {channelName} channel/group'
+        defaultMessage: 'Created the {channelName} channel'
     },
     establishedDM: {
         id: 'audit_table.establishedDM',
@@ -22,23 +22,23 @@ const holders = defineMessages({
     },
     nameUpdated: {
         id: 'audit_table.nameUpdated',
-        defaultMessage: 'Updated the {channelName} channel/group name'
+        defaultMessage: 'Updated the {channelName} channel name'
     },
     headerUpdated: {
         id: 'audit_table.headerUpdated',
-        defaultMessage: 'Updated the {channelName} channel/group header'
+        defaultMessage: 'Updated the {channelName} channel header'
     },
     channelDeleted: {
         id: 'audit_table.channelDeleted',
-        defaultMessage: 'Deleted the channel/group with the URL {url}'
+        defaultMessage: 'Deleted the channel with the URL {url}'
     },
     userAdded: {
         id: 'audit_table.userAdded',
-        defaultMessage: 'Added {username} to the {channelName} channel/group'
+        defaultMessage: 'Added {username} to the {channelName} channel'
     },
     userRemoved: {
         id: 'audit_table.userRemoved',
-        defaultMessage: 'Removed {username} to the {channelName} channel/group'
+        defaultMessage: 'Removed {username} to the {channelName} channel'
     },
     attemptedRegisterApp: {
         id: 'audit_table.attemptedRegisterApp',
diff --git a/webapp/components/change_url_modal.jsx b/webapp/components/change_url_modal.jsx
index 509517678..fd5cdfd74 100644
--- a/webapp/components/change_url_modal.jsx
+++ b/webapp/components/change_url_modal.jsx
@@ -25,6 +25,7 @@ export default class ChangeUrlModal extends React.Component {
             userEdit: false
         };
     }
+
     componentWillReceiveProps(nextProps) {
         // This check prevents the url being deleted when we re-render
         // because of user status check
@@ -34,15 +35,18 @@ export default class ChangeUrlModal extends React.Component {
             });
         }
     }
+
     componentDidUpdate(prevProps) {
         if (this.props.show === true && prevProps.show === false) {
             ReactDOM.findDOMNode(this.refs.urlinput).select();
         }
     }
+
     onURLChanged(e) {
         const url = e.target.value.trim();
         this.setState({currentURL: url.replace(/[^A-Za-z0-9-_]/g, '').toLowerCase(), userEdit: true});
     }
+
     getURLError(url) {
         let error = []; //eslint-disable-line prefer-const
         if (url.length < 2) {
@@ -101,6 +105,7 @@ export default class ChangeUrlModal extends React.Component {
         }
         return error;
     }
+
     doSubmit(e) {
         e.preventDefault();
 
@@ -113,10 +118,12 @@ export default class ChangeUrlModal extends React.Component {
         this.setState({urlError: '', userEdit: false});
         this.props.onModalSubmit(url);
     }
+
     doCancel() {
         this.setState({urlError: '', userEdit: false});
         this.props.onModalDismissed();
     }
+
     render() {
         let urlClass = 'input-group input-group--limit';
         let error = null;
@@ -155,9 +162,19 @@ export default class ChangeUrlModal extends React.Component {
                     className='form-horizontal'
                 >
                     <Modal.Body>
-                        <div className='modal-intro'>{this.props.description}</div>
+                        <div className='modal-intro'>
+                            <FormattedMessage
+                                id='channel_flow.changeUrlDescription'
+                                defaultMessage='Some characters are now allowed in URLs and may be removed.'
+                            />
+                        </div>
                         <div className='form-group'>
-                            <label className='col-sm-2 form__label control-label'>{this.props.urlLabel}</label>
+                            <label className='col-sm-2 form__label control-label'>
+                                <FormattedMessage
+                                    id='change_url.urlLabel'
+                                    defaultMessage='Channel URL'
+                                />
+                            </label>
                             <div className='col-sm-10'>
                                 <div className={urlClass}>
                                     <OverlayTrigger
@@ -211,8 +228,6 @@ export default class ChangeUrlModal extends React.Component {
 ChangeUrlModal.defaultProps = {
     show: false,
     title: 'Change URL',
-    desciption: '',
-    urlLabel: 'URL',
     submitButtonText: 'Save',
     currentURL: '',
     serverError: null
@@ -220,10 +235,8 @@ ChangeUrlModal.defaultProps = {
 
 ChangeUrlModal.propTypes = {
     show: React.PropTypes.bool.isRequired,
-    title: React.PropTypes.string,
-    description: React.PropTypes.string,
-    urlLabel: React.PropTypes.string,
-    submitButtonText: React.PropTypes.string,
+    title: React.PropTypes.node,
+    submitButtonText: React.PropTypes.node,
     currentURL: React.PropTypes.string,
     serverError: React.PropTypes.node,
     onModalSubmit: React.PropTypes.func.isRequired,
diff --git a/webapp/components/channel_header.jsx b/webapp/components/channel_header.jsx
index 6ce56ab4e..9c9876419 100644
--- a/webapp/components/channel_header.jsx
+++ b/webapp/components/channel_header.jsx
@@ -349,21 +349,6 @@ export default class ChannelHeader extends React.Component {
             channelTitle = ChannelUtils.buildGroupChannelName(channel.id);
         }
 
-        let channelTerm = (
-            <FormattedMessage
-                id='channel_header.channel'
-                defaultMessage='Channel'
-            />
-        );
-        if (channel.type === Constants.PRIVATE_CHANNEL) {
-            channelTerm = (
-                <FormattedMessage
-                    id='channel_header.group'
-                    defaultMessage='Group'
-                />
-            );
-        }
-
         let popoverListMembers;
         if (!isDirect) {
             popoverListMembers = (
@@ -560,10 +545,7 @@ export default class ChannelHeader extends React.Component {
                     >
                         <FormattedMessage
                             id='channel_header.delete'
-                            defaultMessage='Delete {term}'
-                            values={{
-                                term: (channelTerm)
-                            }}
+                            defaultMessage='Delete Channel'
                         />
                     </ToggleModalButton>
                 </li>
@@ -590,10 +572,7 @@ export default class ChannelHeader extends React.Component {
                         >
                             <FormattedMessage
                                 id='channel_header.setHeader'
-                                defaultMessage='Edit {term} Header'
-                                values={{
-                                    term: (channelTerm)
-                                }}
+                                defaultMessage='Edit Channel Header'
                             />
                         </ToggleModalButton>
                     </li>
@@ -612,10 +591,7 @@ export default class ChannelHeader extends React.Component {
                         >
                             <FormattedMessage
                                 id='channel_header.setPurpose'
-                                defaultMessage='Edit {term} Purpose'
-                                values={{
-                                    term: (channelTerm)
-                                }}
+                                defaultMessage='Edit Channel Purpose'
                             />
                         </a>
                     </li>
@@ -634,10 +610,7 @@ export default class ChannelHeader extends React.Component {
                         >
                             <FormattedMessage
                                 id='channel_header.rename'
-                                defaultMessage='Rename {term}'
-                                values={{
-                                    term: (channelTerm)
-                                }}
+                                defaultMessage='Rename Channel'
                             />
                         </a>
                     </li>
@@ -674,10 +647,7 @@ export default class ChannelHeader extends React.Component {
                         >
                             <FormattedMessage
                                 id='channel_header.leave'
-                                defaultMessage='Leave {term}'
-                                values={{
-                                    term: (channelTerm)
-                                }}
+                                defaultMessage='Leave Channel'
                             />
                         </a>
                     </li>
diff --git a/webapp/components/delete_channel_modal.jsx b/webapp/components/delete_channel_modal.jsx
index a6577a4a9..1893d28d1 100644
--- a/webapp/components/delete_channel_modal.jsx
+++ b/webapp/components/delete_channel_modal.jsx
@@ -3,7 +3,6 @@
 
 import {Modal} from 'react-bootstrap';
 import TeamStore from 'stores/team_store.jsx';
-import Constants from 'utils/constants.jsx';
 
 import {FormattedMessage} from 'react-intl';
 
@@ -37,21 +36,6 @@ export default class DeleteChannelModal extends React.Component {
     }
 
     render() {
-        let channelTerm = (
-            <FormattedMessage
-                id='delete_channel.channel'
-                defaultMessage='channel'
-            />
-        );
-        if (this.props.channel.type === Constants.PRIVATE_CHANNEL) {
-            channelTerm = (
-                <FormattedMessage
-                    id='delete_channel.group'
-                    defaultMessage='group'
-                />
-            );
-        }
-
         return (
             <Modal
                 show={this.state.show}
@@ -70,10 +54,9 @@ export default class DeleteChannelModal extends React.Component {
                     <div className='alert alert-danger'>
                         <FormattedMessage
                             id='delete_channel.question'
-                            defaultMessage='This will delete the channel from the team and make its contents inaccessible for all users. Are you sure you wish to delete the {display_name} {term}?'
+                            defaultMessage='This will delete the channel from the team and make its contents inaccessible for all users. Are you sure you wish to delete the {display_name} channel?'
                             values={{
-                                display_name: this.props.channel.display_name,
-                                term: (channelTerm)
+                                display_name: this.props.channel.display_name
                             }}
                         />
                     </div>
diff --git a/webapp/components/edit_channel_purpose_modal.jsx b/webapp/components/edit_channel_purpose_modal.jsx
index 7ee00baba..ea34cf969 100644
--- a/webapp/components/edit_channel_purpose_modal.jsx
+++ b/webapp/components/edit_channel_purpose_modal.jsx
@@ -110,21 +110,6 @@ export default class EditChannelPurposeModal extends React.Component {
             );
         }
 
-        let channelType = (
-            <FormattedMessage
-                id='edit_channel_purpose_modal.channel'
-                defaultMessage='Channel'
-            />
-        );
-        if (this.props.channel.type === Constants.PRIVATE_CHANNEL) {
-            channelType = (
-                <FormattedMessage
-                    id='edit_channel_purpose_modal.group'
-                    defaultMessage='Group'
-                />
-            );
-        }
-
         return (
             <Modal
                 className='modal-edit-channel-purpose'
@@ -142,10 +127,7 @@ export default class EditChannelPurposeModal extends React.Component {
                     <p>
                         <FormattedMessage
                             id='edit_channel_purpose_modal.body'
-                            defaultMessage='Describe how this {type} should be used. This text appears in the channel list in the "More..." menu and helps others decide whether to join.'
-                            values={{
-                                type: (channelType)
-                            }}
+                            defaultMessage='Describe how this channel should be used. This text appears in the channel list in the "More..." menu and helps others decide whether to join.'
                         />
                     </p>
                     <textarea
diff --git a/webapp/components/integrations/components/abstract_incoming_webhook.jsx b/webapp/components/integrations/components/abstract_incoming_webhook.jsx
index eda545bb1..15e39e54b 100644
--- a/webapp/components/integrations/components/abstract_incoming_webhook.jsx
+++ b/webapp/components/integrations/components/abstract_incoming_webhook.jsx
@@ -203,7 +203,7 @@ export default class AbstractIncomingWebhook extends React.Component {
                                 <div className='form__help'>
                                     <FormattedMessage
                                         id='add_incoming_webhook.channel.help'
-                                        defaultMessage='Public channel or private group that receives the webhook payloads. You must belong to the private group when setting up the webhook.'
+                                        defaultMessage='Public or private channel that receives the webhook payloads. You must belong to the private channel when setting up the webhook.'
                                     />
                                 </div>
                             </div>
diff --git a/webapp/components/leave_team_modal.jsx b/webapp/components/leave_team_modal.jsx
index f8f5675c7..69504ef4d 100644
--- a/webapp/components/leave_team_modal.jsx
+++ b/webapp/components/leave_team_modal.jsx
@@ -81,7 +81,7 @@ class LeaveTeamModal extends React.Component {
                     <Modal.Body>
                         <FormattedMessage
                             id='leave_team_modal.desc'
-                            defaultMessage='You will be removed from all public channels and private groups.  If the team is private you will not be able to rejoin the team.  Are you sure?'
+                            defaultMessage='You will be removed from all public and private channels.  If the team is private you will not be able to rejoin the team.  Are you sure?'
                         />
                     </Modal.Body>
                     <Modal.Footer>
diff --git a/webapp/components/more_direct_channels.jsx b/webapp/components/more_direct_channels.jsx
index c4a3a3526..4d5016907 100644
--- a/webapp/components/more_direct_channels.jsx
+++ b/webapp/components/more_direct_channels.jsx
@@ -266,14 +266,14 @@ export default class MoreDirectChannels extends React.Component {
                 note = (
                     <FormattedMessage
                         id='more_direct_channels.new_convo_note.full'
-                        defaultMessage='You’ve reached the maximum number of people for this conversation. Consider creating a private group instead.'
+                        defaultMessage='You’ve reached the maximum number of people for this conversation. Consider creating a private channel instead.'
                     />
                 );
             } else {
                 note = (
                     <FormattedMessage
                         id='more_direct_channels.new_convo_note'
-                        defaultMessage='This will start a new conversation. If you’re adding a lot of people, consider creating a private group instead.'
+                        defaultMessage='This will start a new conversation. If you’re adding a lot of people, consider creating a private channel instead.'
                     />
                 );
             }
diff --git a/webapp/components/navbar.jsx b/webapp/components/navbar.jsx
index 28d8fae05..62fb61d97 100644
--- a/webapp/components/navbar.jsx
+++ b/webapp/components/navbar.jsx
@@ -241,21 +241,6 @@ export default class Navbar extends React.Component {
 
     createDropdown(channel, channelTitle, isAdmin, isSystemAdmin, isChannelAdmin, isDirect, isGroup, popoverContent) {
         if (channel) {
-            let channelTerm = (
-                <FormattedMessage
-                    id='channel_header.channel'
-                    defaultMessage='Channel'
-                />
-                );
-            if (channel.type === Constants.PRIVATE_CHANNEL) {
-                channelTerm = (
-                    <FormattedMessage
-                        id='channel_header.group'
-                        defaultMessage='Group'
-                    />
-                );
-            }
-
             let viewInfoOption;
             let viewPinnedPostsOption;
             let addMembersOption;
@@ -449,10 +434,7 @@ export default class Navbar extends React.Component {
                             >
                                 <FormattedMessage
                                     id='channel_header.setHeader'
-                                    defaultMessage='Set {term} Header...'
-                                    values={{
-                                        term: (channelTerm)
-                                    }}
+                                    defaultMessage='Edit Channel Header'
                                 />
                             </a>
                         </li>
@@ -467,10 +449,7 @@ export default class Navbar extends React.Component {
                             >
                                 <FormattedMessage
                                     id='channel_header.setPurpose'
-                                    defaultMessage='Set {term} Purpose...'
-                                    values={{
-                                        term: (channelTerm)
-                                    }}
+                                    defaultMessage='Edit Channel Purpose'
                                 />
                             </a>
                         </li>
@@ -485,10 +464,7 @@ export default class Navbar extends React.Component {
                             >
                                 <FormattedMessage
                                     id='channel_header.rename'
-                                    defaultMessage='Rename {term}...'
-                                    values={{
-                                        term: (channelTerm)
-                                    }}
+                                    defaultMessage='Rename Channel'
                                 />
                             </a>
                         </li>
@@ -506,10 +482,7 @@ export default class Navbar extends React.Component {
                                 >
                                     <FormattedMessage
                                         id='channel_header.delete'
-                                        defaultMessage='Delete {term}...'
-                                        values={{
-                                            term: (channelTerm)
-                                        }}
+                                        defaultMessage='Delete Channel'
                                     />
                                 </ToggleModalButton>
                             </li>
@@ -528,10 +501,7 @@ export default class Navbar extends React.Component {
                             >
                                 <FormattedMessage
                                     id='channel_header.leave'
-                                    defaultMessage='Leave {term}'
-                                    values={{
-                                        term: (channelTerm)
-                                    }}
+                                    defaultMessage='Leave Channel'
                                 />
                             </a>
                         </li>
diff --git a/webapp/components/new_channel_flow.jsx b/webapp/components/new_channel_flow.jsx
index eb67c9cba..55e47b149 100644
--- a/webapp/components/new_channel_flow.jsx
+++ b/webapp/components/new_channel_flow.jsx
@@ -9,43 +9,17 @@ import {cleanUpUrlable} from 'utils/url.jsx';
 import NewChannelModal from './new_channel_modal.jsx';
 import ChangeURLModal from './change_url_modal.jsx';
 
-import {intlShape, injectIntl, defineMessages, FormattedMessage} from 'react-intl';
+import {FormattedMessage} from 'react-intl';
 import {createChannel} from 'actions/channel_actions.jsx';
 import {browserHistory} from 'react-router/es6';
 
 const SHOW_NEW_CHANNEL = 1;
 const SHOW_EDIT_URL = 2;
 const SHOW_EDIT_URL_THEN_COMPLETE = 3;
-const messages = defineMessages({
-    channel: {
-        id: 'channel_flow.channel',
-        defaultMessage: 'Channel'
-    },
-    group: {
-        id: 'channel_flow.group',
-        defaultMessage: 'Group'
-    },
-    change: {
-        id: 'channel_flow.changeUrlTitle',
-        defaultMessage: 'Change {term} URL'
-    },
-    set: {
-        id: 'channel_flow.set_url_title',
-        defaultMessage: 'Set {term} URL'
-    },
-    create: {
-        id: 'channel_flow.create',
-        defaultMessage: 'Create {term}'
-    },
-    changeUrlDescription: {
-        id: 'channel_flow.changeUrlDescription',
-        defaultMessage: 'Some characters are not allowed in URLs and may be removed.'
-    }
-});
 
 import React from 'react';
 
-class NewChannelFlow extends React.Component {
+export default class NewChannelFlow extends React.Component {
     constructor(props) {
         super(props);
 
@@ -182,9 +156,6 @@ class NewChannelFlow extends React.Component {
 
         let changeURLTitle = '';
         let changeURLSubmitButtonText = '';
-        let channelTerm = '';
-
-        const {formatMessage} = this.props.intl;
 
         // Only listen to flow state if we are being shown
         if (this.props.show) {
@@ -192,21 +163,34 @@ class NewChannelFlow extends React.Component {
             case SHOW_NEW_CHANNEL:
                 if (this.state.channelType === 'O') {
                     showChannelModal = true;
-                    channelTerm = formatMessage(messages.channel);
                 } else {
                     showGroupModal = true;
-                    channelTerm = formatMessage(messages.group);
                 }
                 break;
             case SHOW_EDIT_URL:
                 showChangeURLModal = true;
-                changeURLTitle = formatMessage(messages.change, {term: channelTerm});
-                changeURLSubmitButtonText = formatMessage(messages.change, {term: channelTerm});
+                changeURLTitle = (
+                    <FormattedMessage
+                        id='channel_flow.changeUrlTitle'
+                        defaultMessage='Change Channel URL'
+                    />
+                );
+                changeURLSubmitButtonText = changeURLTitle;
                 break;
             case SHOW_EDIT_URL_THEN_COMPLETE:
                 showChangeURLModal = true;
-                changeURLTitle = formatMessage(messages.set, {term: channelTerm});
-                changeURLSubmitButtonText = formatMessage(messages.create, {term: channelTerm});
+                changeURLTitle = (
+                    <FormattedMessage
+                        id='channel_flow.set_url_title'
+                        defaultMessage='Set Channel URL'
+                    />
+                );
+                changeURLSubmitButtonText = (
+                    <FormattedMessage
+                        id='channel_flow.create'
+                        defaultMessage='Create Channel'
+                    />
+                );
                 break;
             }
         }
@@ -239,8 +223,6 @@ class NewChannelFlow extends React.Component {
                 <ChangeURLModal
                     show={showChangeURLModal}
                     title={changeURLTitle}
-                    description={formatMessage(messages.changeUrlDescription)}
-                    urlLabel={channelTerm + ' URL'}
                     submitButtonText={changeURLSubmitButtonText}
                     currentURL={this.state.channelName}
                     serverError={this.state.serverError}
@@ -259,10 +241,7 @@ NewChannelFlow.defaultProps = {
 };
 
 NewChannelFlow.propTypes = {
-    intl: intlShape.isRequired,
     show: React.PropTypes.bool.isRequired,
     channelType: React.PropTypes.string.isRequired,
     onModalDismissed: React.PropTypes.func.isRequired
 };
-
-export default injectIntl(NewChannelFlow);
diff --git a/webapp/components/new_channel_modal.jsx b/webapp/components/new_channel_modal.jsx
index f16b4596f..b515d5469 100644
--- a/webapp/components/new_channel_modal.jsx
+++ b/webapp/components/new_channel_modal.jsx
@@ -135,7 +135,7 @@ export default class NewChannelModal extends React.Component {
             >
                 <FormattedMessage
                     id='channel_modal.privateGroup2'
-                    defaultMessage='Create a private group'
+                    defaultMessage='Create a private channel'
                 />
             </a>
         );
@@ -151,33 +151,20 @@ export default class NewChannelModal extends React.Component {
             createPrivateChannelLink = null;
         }
 
-        var channelTerm = '';
         var channelSwitchText = '';
         switch (this.props.channelType) {
         case 'P':
-            channelTerm = (
-                <FormattedMessage
-                    id='channel_modal.group'
-                    defaultMessage='Group'
-                />
-            );
             channelSwitchText = (
                 <div className='modal-intro'>
                     <FormattedMessage
                         id='channel_modal.privateGroup1'
-                        defaultMessage='Create a new private group with restricted membership. '
+                        defaultMessage='Create a new private channel with restricted membership. '
                     />
                     {createPublicChannelLink}
                 </div>
             );
             break;
         case 'O':
-            channelTerm = (
-                <FormattedMessage
-                    id='channel_modal.channel'
-                    defaultMessage='Channel'
-                />
-            );
             channelSwitchText = (
                 <div className='modal-intro'>
                     <FormattedMessage
@@ -205,9 +192,8 @@ export default class NewChannelModal extends React.Component {
                         <Modal.Title>
                             <FormattedMessage
                                 id='channel_modal.modalTitle'
-                                defaultMessage='New '
+                                defaultMessage='New Channel'
                             />
-                            {channelTerm}
                         </Modal.Title>
                     </Modal.Header>
                     <form
@@ -282,10 +268,7 @@ export default class NewChannelModal extends React.Component {
                                     <p className='input__help'>
                                         <FormattedMessage
                                             id='channel_modal.descriptionHelp'
-                                            defaultMessage='Describe how this {term} should be used.'
-                                            values={{
-                                                term: (channelTerm)
-                                            }}
+                                            defaultMessage='Describe how this channel should be used.'
                                         />
                                     </p>
                                 </div>
@@ -319,10 +302,7 @@ export default class NewChannelModal extends React.Component {
                                     <p className='input__help'>
                                         <FormattedMessage
                                             id='channel_modal.headerHelp'
-                                            defaultMessage='Set text that will appear in the header of the {term} beside the {term} name. For example, include frequently used links by typing [Link Title](http://example.com).'
-                                            values={{
-                                                term: (channelTerm)
-                                            }}
+                                            defaultMessage='Set text that will appear in the header of the channel beside the channel name. For example, include frequently used links by typing [Link Title](http://example.com).'
                                         />
                                     </p>
                                     {serverError}
@@ -348,9 +328,8 @@ export default class NewChannelModal extends React.Component {
                             >
                                 <FormattedMessage
                                     id='channel_modal.createNew'
-                                    defaultMessage='Create New '
+                                    defaultMessage='Create New Channel'
                                 />
-                                {channelTerm}
                             </button>
                         </Modal.Footer>
                     </form>
diff --git a/webapp/components/sidebar.jsx b/webapp/components/sidebar.jsx
index 940f0b0a6..76ac81c6e 100644
--- a/webapp/components/sidebar.jsx
+++ b/webapp/components/sidebar.jsx
@@ -446,7 +446,7 @@ export default class Sidebar extends React.Component {
             <div>
                 <FormattedHTMLMessage
                     id='sidebar.tutorialScreen1'
-                    defaultMessage='<h4>Channels</h4><p><strong>Channels</strong> organize conversations across different topics. They’re open to everyone on your team. To send private communications use <strong>Direct Messages</strong> for a single person or <strong>Private Groups</strong> for multiple people.</p>'
+                    defaultMessage='<h4>Channels</h4><p><strong>Channels</strong> organize conversations across different topics. They’re open to everyone on your team. To send private communications use <strong>Direct Messages</strong> for a single person or <strong>Private Channels</strong> for multiple people.</p>'
                 />
             </div>
         );
@@ -473,7 +473,7 @@ export default class Sidebar extends React.Component {
                     id='sidebar.tutorialScreen3'
                     defaultMessage='<h4>Creating and Joining Channels</h4>
                     <p>Click <strong>"More..."</strong> to create a new channel or join an existing one.</p>
-                    <p>You can also create a new channel or private group by clicking the <strong>"+" symbol</strong> next to the channel or private group header.</p>'
+                    <p>You can also create a new public or private channel by clicking the <strong>"+" symbol</strong> next to the public or private channel header.</p>'
                 />
             </div>
         );
@@ -700,7 +700,7 @@ export default class Sidebar extends React.Component {
             <Tooltip id='new-channel-tooltip' >
                 <FormattedMessage
                     id='sidebar.createChannel'
-                    defaultMessage='Create new channel'
+                    defaultMessage='Create new public channel'
                 />
             </Tooltip>
         );
@@ -708,7 +708,7 @@ export default class Sidebar extends React.Component {
             <Tooltip id='new-group-tooltip'>
                 <FormattedMessage
                     id='sidebar.createGroup'
-                    defaultMessage='Create new group'
+                    defaultMessage='Create new private channel'
                 />
             </Tooltip>
         );
@@ -872,7 +872,7 @@ export default class Sidebar extends React.Component {
                             <h4>
                                 <FormattedMessage
                                     id='sidebar.pg'
-                                    defaultMessage='Private Groups'
+                                    defaultMessage='Private Channels'
                                 />
                                 {createPrivateChannelIcon}
                             </h4>
diff --git a/webapp/components/suggestion/search_suggestion_list.jsx b/webapp/components/suggestion/search_suggestion_list.jsx
index 99262109a..ee7a77366 100644
--- a/webapp/components/suggestion/search_suggestion_list.jsx
+++ b/webapp/components/suggestion/search_suggestion_list.jsx
@@ -33,7 +33,7 @@ export default class SearchSuggestionList extends SuggestionList {
             text = (
                 <FormattedMessage
                     id='suggestion.search.private'
-                    defaultMessage='Private Groups'
+                    defaultMessage='Private Channels'
                 />
             );
         }
diff --git a/webapp/components/tutorial/tutorial_intro_screens.jsx b/webapp/components/tutorial/tutorial_intro_screens.jsx
index c266191b8..5197696c4 100644
--- a/webapp/components/tutorial/tutorial_intro_screens.jsx
+++ b/webapp/components/tutorial/tutorial_intro_screens.jsx
@@ -162,7 +162,7 @@ export default class TutorialIntroScreens extends React.Component {
                 <FormattedHTMLMessage
                     id='tutorial_intro.screenTwo'
                     defaultMessage='<h3>How Mattermost works:</h3>
-                    <p>Communication happens in public discussion channels, private groups and direct messages.</p>
+                    <p>Communication happens in public discussion channels, private channels and direct messages.</p>
                     <p>Everything is archived and searchable from any web-enabled desktop, laptop or phone.</p>'
                 />
                 {appDownloadLink}
diff --git a/webapp/i18n/en.json b/webapp/i18n/en.json
index b60db31cd..036bcd2d3 100755
--- a/webapp/i18n/en.json
+++ b/webapp/i18n/en.json
@@ -86,7 +86,7 @@
   "add_emoji.save": "Save",
   "add_incoming_webhook.cancel": "Cancel",
   "add_incoming_webhook.channel": "Channel",
-  "add_incoming_webhook.channel.help": "Public channel or private group that receives the webhook payloads. You must belong to the private group when setting up the webhook.",
+  "add_incoming_webhook.channel.help": "Public or private channel that receives the webhook payloads. You must belong to the private channel when setting up the webhook.",
   "add_incoming_webhook.channelRequired": "A valid channel is required",
   "add_incoming_webhook.description": "Description",
   "add_incoming_webhook.description.help": "Description for your incoming webhook.",
@@ -329,13 +329,13 @@
   "admin.general.policy.permissionsSystemAdmin": "System Admins",
   "admin.general.policy.restrictPostDeleteDescription": "Set policy on who has permission to delete messages.",
   "admin.general.policy.restrictPostDeleteTitle": "Allow which users to delete messages:",
-  "admin.general.policy.restrictPrivateChannelCreationDescription": "Set policy on who can create private groups.",
-  "admin.general.policy.restrictPrivateChannelCreationTitle": "Enable private group creation for:",
+  "admin.general.policy.restrictPrivateChannelCreationDescription": "Set policy on who can create private channels.",
+  "admin.general.policy.restrictPrivateChannelCreationTitle": "Enable private channel creation for:",
   "admin.general.policy.restrictPrivateChannelDeletionCommandLineToolLink": "command line tool",
-  "admin.general.policy.restrictPrivateChannelDeletionDescription": "Set policy on who can delete private groups. Deleted groups can be recovered from the database using a {commandLineToolLink}.",
-  "admin.general.policy.restrictPrivateChannelDeletionTitle": "Enable private group deletion for:",
-  "admin.general.policy.restrictPrivateChannelManagementDescription": "Set policy on who can rename and set the header or purpose for private groups.",
-  "admin.general.policy.restrictPrivateChannelManagementTitle": "Enable private group renaming for:",
+  "admin.general.policy.restrictPrivateChannelDeletionDescription": "Set policy on who can delete private channels. Deleted channels can be recovered from the database using a {commandLineToolLink}.",
+  "admin.general.policy.restrictPrivateChannelDeletionTitle": "Enable private channel deletion for:",
+  "admin.general.policy.restrictPrivateChannelManagementDescription": "Set policy on who can rename and set the header or purpose for private channels.",
+  "admin.general.policy.restrictPrivateChannelManagementTitle": "Enable private channel renaming for:",
   "admin.general.policy.restrictPublicChannelCreationDescription": "Set policy on who can create public channels.",
   "admin.general.policy.restrictPublicChannelCreationTitle": "Enable public channel creation for:",
   "admin.general.policy.restrictPublicChannelDeletionCommandLineToolLink": "command line tool",
@@ -941,7 +941,7 @@
   "analytics.system.dailyActiveUsers": "Daily Active Users",
   "analytics.system.monthlyActiveUsers": "Monthly Active Users",
   "analytics.system.postTypes": "Posts, Files and Hashtags",
-  "analytics.system.privateGroups": "Private Groups",
+  "analytics.system.privateGroups": "Private Channels",
   "analytics.system.publicChannels": "Public Channels",
   "analytics.system.skippedIntensiveQueries": "To maximize performance, some statistics are disabled. You can re-enable them in config.json. See: <a href='https://docs.mattermost.com/administration/statistics.html' target='_blank'>https://docs.mattermost.com/administration/statistics.html</a>",
   "analytics.system.textPosts": "Posts with Text-only",
@@ -962,7 +962,7 @@
   "analytics.team.activeUsers": "Active Users With Posts",
   "analytics.team.newlyCreated": "Newly Created Users",
   "analytics.team.noTeams": "There are no teams on this server for which to view statistics.",
-  "analytics.team.privateGroups": "Private Groups",
+  "analytics.team.privateGroups": "Private Channels",
   "analytics.team.publicChannels": "Public Channels",
   "analytics.team.recentActive": "Recent Active Users",
   "analytics.team.recentUsers": "Recent Active Users",
@@ -995,8 +995,8 @@
   "audit_table.attemptedWebhookDelete": "Attempted to delete a webhook",
   "audit_table.by": " by {username}",
   "audit_table.byAdmin": " by an admin",
-  "audit_table.channelCreated": "Created the {channelName} channel/group",
-  "audit_table.channelDeleted": "Deleted the channel/group with the URL {url}",
+  "audit_table.channelCreated": "Created the {channelName} channel",
+  "audit_table.channelDeleted": "Deleted the channel with the URL {url}",
   "audit_table.establishedDM": "Established a direct message channel with {username}",
   "audit_table.failedExpiredLicenseAdd": "Failed to add a new license as it has either expired or not yet been started",
   "audit_table.failedInvalidLicenseAdd": "Failed to add an invalid license",
@@ -1005,14 +1005,14 @@
   "audit_table.failedPassword": "Failed to change password - tried to update user password who was logged in through OAuth",
   "audit_table.failedWebhookCreate": "Failed to create a webhook - bad channel permissions",
   "audit_table.failedWebhookDelete": "Failed to delete a webhook - inappropriate conditions",
-  "audit_table.headerUpdated": "Updated the {channelName} channel/group header",
+  "audit_table.headerUpdated": "Updated the {channelName} channel header",
   "audit_table.ip": "IP Address",
   "audit_table.licenseRemoved": "Successfully removed a license",
   "audit_table.loginAttempt": " (Login attempt)",
   "audit_table.loginFailure": " (Login failure)",
   "audit_table.logout": "Logged out of your account",
   "audit_table.member": "member",
-  "audit_table.nameUpdated": "Updated the {channelName} channel/group name",
+  "audit_table.nameUpdated": "Updated the {channelName} channel name",
   "audit_table.oauthTokenFailed": "Failed to get an OAuth access token - {token}",
   "audit_table.revokedAll": "Revoked all current sessions for the team",
   "audit_table.sentEmail": "Sent an email to {email} to reset your password",
@@ -1031,9 +1031,9 @@
   "audit_table.updateGlobalNotifications": "Updated your global notification settings",
   "audit_table.updatePicture": "Updated your profile picture",
   "audit_table.updatedRol": "Updated user role(s) to ",
-  "audit_table.userAdded": "Added {username} to the {channelName} channel/group",
+  "audit_table.userAdded": "Added {username} to the {channelName} channel",
   "audit_table.userId": "User ID",
-  "audit_table.userRemoved": "Removed {username} to the {channelName} channel/group",
+  "audit_table.userRemoved": "Removed {username} to the {channelName} channel",
   "audit_table.verified": "Sucessfully verified your email address",
   "authorize.access": "Allow <strong>{appName}</strong> access?",
   "authorize.allow": "Allow",
@@ -1056,32 +1056,29 @@
   "change_url.longer": "URL must be two or more characters.",
   "change_url.noUnderscore": "URL can not contain two underscores in a row.",
   "change_url.startWithLetter": "URL must start with a letter or number.",
+  "change_url.urlLabel": "Channel URL",
   "channelHeader.addToFavorites": "Add to Favorites",
   "channelHeader.removeFromFavorites": "Remove from Favorites",
   "channel_flow.alreadyExist": "A channel with that URL already exists",
   "channel_flow.changeUrlDescription": "Some characters are not allowed in URLs and may be removed.",
-  "channel_flow.changeUrlTitle": "Change {term} URL",
-  "channel_flow.channel": "Channel",
-  "channel_flow.create": "Create {term}",
-  "channel_flow.group": "Group",
+  "channel_flow.changeUrlTitle": "Change Channel URL",
+  "channel_flow.create": "Create Channel",
   "channel_flow.handleTooShort": "Channel URL must be 2 or more lowercase alphanumeric characters",
   "channel_flow.invalidName": "Invalid Channel Name",
-  "channel_flow.set_url_title": "Set {term} URL",
+  "channel_flow.set_url_title": "Set Channel URL",
   "channel_header.addMembers": "Add Members",
   "channel_header.addToFavorites": "Add to Favorites",
-  "channel_header.channel": "Channel",
   "channel_header.channelHeader": "Edit Channel Header",
-  "channel_header.delete": "Delete {term}",
+  "channel_header.delete": "Delete Channel",
   "channel_header.flagged": "Flagged Posts",
-  "channel_header.group": "Group",
-  "channel_header.leave": "Leave {term}",
+  "channel_header.leave": "Leave Channel",
   "channel_header.manageMembers": "Manage Members",
   "channel_header.notificationPreferences": "Notification Preferences",
   "channel_header.recentMentions": "Recent Mentions",
   "channel_header.removeFromFavorites": "Remove from Favorites",
-  "channel_header.rename": "Rename {term}",
-  "channel_header.setHeader": "Edit {term} Header",
-  "channel_header.setPurpose": "Edit {term} Purpose",
+  "channel_header.rename": "Rename Channel",
+  "channel_header.setHeader": "Edit Channel Header",
+  "channel_header.setPurpose": "Edit Channel Purpose",
   "channel_header.viewInfo": "View Info",
   "channel_header.viewMembers": "View Members",
   "channel_header.webrtc.call": "Start Video Call",
@@ -1116,21 +1113,19 @@
   "channel_members_modal.addNew": " Add New Members",
   "channel_members_modal.members": " Members",
   "channel_modal.cancel": "Cancel",
-  "channel_modal.channel": "Channel",
-  "channel_modal.createNew": "Create New ",
-  "channel_modal.descriptionHelp": "Describe how this {term} should be used.",
+  "channel_modal.createNew": "Create New Channel",
+  "channel_modal.descriptionHelp": "Describe how this channel should be used.",
   "channel_modal.displayNameError": "Channel name must be 2 or more characters",
   "channel_modal.edit": "Edit",
-  "channel_modal.group": "Group",
   "channel_modal.header": "Header",
   "channel_modal.headerEx": "E.g.: \"[Link Title](http://example.com)\"",
-  "channel_modal.headerHelp": "Set text that will appear in the header of the {term} beside the {term} name. For example, include frequently used links by typing [Link Title](http://example.com).",
-  "channel_modal.modalTitle": "New ",
+  "channel_modal.headerHelp": "Set text that will appear in the header of the channel beside the channel name. For example, include frequently used links by typing [Link Title](http://example.com).",
+  "channel_modal.modalTitle": "New Channel",
   "channel_modal.name": "Name",
   "channel_modal.nameEx": "E.g.: \"Bugs\", \"Marketing\", \"客户支持\"",
   "channel_modal.optional": "(optional)",
-  "channel_modal.privateGroup1": "Create a new private group with restricted membership. ",
-  "channel_modal.privateGroup2": "Create a private group",
+  "channel_modal.privateGroup1": "Create a new private channel with restricted membership. ",
+  "channel_modal.privateGroup2": "Create a private channel",
   "channel_modal.publicChannel1": "Create a public channel",
   "channel_modal.publicChannel2": "Create a new public channel anyone can join. ",
   "channel_modal.purpose": "Purpose",
@@ -1230,11 +1225,9 @@
   "custom_emoji.search": "Search Custom Emoji",
   "default_channel.purpose": "Post messages here that you want everyone to see. Everyone automatically becomes a permanent member of this channel when they join the team.",
   "delete_channel.cancel": "Cancel",
-  "delete_channel.channel": "channel",
   "delete_channel.confirm": "Confirm DELETE Channel",
   "delete_channel.del": "Delete",
-  "delete_channel.group": "group",
-  "delete_channel.question": "This will delete the channel from the team and make its contents inaccessible for all users. Are you sure you wish to delete the {display_name} {term}?",
+  "delete_channel.question": "This will delete the channel from the team and make its contents inaccessible for all users. Are you sure you wish to delete the {display_name} channel?",
   "delete_post.cancel": "Cancel",
   "delete_post.comment": "Comment",
   "delete_post.confirm": "Confirm {term} Delete",
@@ -1248,11 +1241,9 @@
   "edit_channel_header_modal.save": "Save",
   "edit_channel_header_modal.title": "Edit Header for {channel}",
   "edit_channel_header_modal.title_dm": "Edit Header",
-  "edit_channel_purpose_modal.body": "Describe how this {type} should be used. This text appears in the channel list in the \"More...\" menu and helps others decide whether to join.",
+  "edit_channel_purpose_modal.body": "Describe how this channel should be used. This text appears in the channel list in the \"More...\" menu and helps others decide whether to join.",
   "edit_channel_purpose_modal.cancel": "Cancel",
-  "edit_channel_purpose_modal.channel": "Channel",
   "edit_channel_purpose_modal.error": "This channel purpose is too long, please enter a shorter one",
-  "edit_channel_purpose_modal.group": "Group",
   "edit_channel_purpose_modal.save": "Save",
   "edit_channel_purpose_modal.title1": "Edit Purpose",
   "edit_channel_purpose_modal.title2": "Edit Purpose for ",
@@ -1544,12 +1535,12 @@
   "intro_messages.channel": "channel",
   "intro_messages.creator": "This is the start of the {name} {type}, created by {creator} on {date}.",
   "intro_messages.default": "<h4 class='channel-intro__title'>Beginning of {display_name}</h4><p class='channel-intro__content'><strong>Welcome to {display_name}!</strong><br/><br/>Post messages here that you want everyone to see. Everyone automatically becomes a permanent member of this channel when they join the team.</p>",
-  "intro_messages.group": "private group",
+  "intro_messages.group": "private channel",
   "intro_messages.invite": "Invite others to this {type}",
   "intro_messages.inviteOthers": "Invite others to this team",
   "intro_messages.noCreator": "This is the start of the {name} {type}, created on {date}.",
   "intro_messages.offTopic": "<h4 class=\"channel-intro__title\">Beginning of {display_name}</h4><p class=\"channel-intro__content\">This is the start of {display_name}, a channel for non-work-related conversations.<br/></p>",
-  "intro_messages.onlyInvited": " Only invited members can see this private group.",
+  "intro_messages.onlyInvited": " Only invited members can see this private channel.",
   "intro_messages.purpose": " This {type}'s purpose is: {purpose}.",
   "intro_messages.setHeader": "Set a Header",
   "intro_messages.teammate": "This is the start of your direct message history with this teammate. Direct messages and files shared here are not shown to people outside this area.",
@@ -1575,7 +1566,7 @@
   "ldap_signup.length_error": "Name must be 3 or more characters up to a maximum of 15",
   "ldap_signup.teamName": "Enter name of new team",
   "ldap_signup.team_error": "Please enter a team name",
-  "leave_team_modal.desc": "You will be removed from all public channels and private groups.  If the team is private you will not be able to rejoin the team.  Are you sure?",
+  "leave_team_modal.desc": "You will be removed from all public and private channels.  If the team is private you will not be able to rejoin the team.  Are you sure?",
   "leave_team_modal.no": "No",
   "leave_team_modal.title": "Leave the team?",
   "leave_team_modal.yes": "Yes",
@@ -1727,8 +1718,8 @@
   "more_channels.title": "More Channels",
   "more_direct_channels.close": "Close",
   "more_direct_channels.message": "Message",
-  "more_direct_channels.new_convo_note": "This will start a new conversation. If you’re adding a lot of people, consider creating a private group instead.",
-  "more_direct_channels.new_convo_note.full": "You’ve reached the maximum number of people for this conversation. Consider creating a private group instead.",
+  "more_direct_channels.new_convo_note": "This will start a new conversation. If you’re adding a lot of people, consider creating a private channel instead.",
+  "more_direct_channels.new_convo_note.full": "You’ve reached the maximum number of people for this conversation. Consider creating a private channel instead.",
   "more_direct_channels.title": "Direct Messages",
   "msg_typing.areTyping": "{users} and {last} are typing...",
   "msg_typing.isTyping": "{user} is typing...",
@@ -1895,18 +1886,18 @@
   "setting_upload.noFile": "No file selected.",
   "setting_upload.select": "Select file",
   "sidebar.channels": "Channels",
-  "sidebar.createChannel": "Create new channel",
-  "sidebar.createGroup": "Create new group",
+  "sidebar.createChannel": "Create new public channel",
+  "sidebar.createGroup": "Create new private channel",
   "sidebar.direct": "Direct Messages",
   "sidebar.favorite": "Favorites",
   "sidebar.more": "More",
   "sidebar.moreElips": "More...",
   "sidebar.otherMembers": "Outside this team",
-  "sidebar.pg": "Private Groups",
+  "sidebar.pg": "Private Channels",
   "sidebar.removeList": "Remove from list",
-  "sidebar.tutorialScreen1": "<h4>Channels</h4><p><strong>Channels</strong> organize conversations across different topics. They’re open to everyone on your team. To send private communications use <strong>Direct Messages</strong> for a single person or <strong>Private Groups</strong> for multiple people.</p>",
+  "sidebar.tutorialScreen1": "<h4>Channels</h4><p><strong>Channels</strong> organize conversations across different topics. They’re open to everyone on your team. To send private communications use <strong>Direct Messages</strong> for a single person or <strong>Private Channel</strong> for multiple people.</p>",
   "sidebar.tutorialScreen2": "<h4>\"{townsquare}\" and \"{offtopic}\" channels</h4><p>Here are two public channels to start:</p><p><strong>{townsquare}</strong> is a place for team-wide communication. Everyone in your team is a member of this channel.</p><p><strong>{offtopic}</strong> is a place for fun and humor outside of work-related channels. You and your team can decide what other channels to create.</p>",
-  "sidebar.tutorialScreen3": "<h4>Creating and Joining Channels</h4><p>Click <strong>\"More...\"</strong> to create a new channel or join an existing one.</p><p>You can also create a new channel or private group by clicking the <strong>\"+\" symbol</strong> next to the channel or private group header.</p>",
+  "sidebar.tutorialScreen3": "<h4>Creating and Joining Channels</h4><p>Click <strong>\"More...\"</strong> to create a new channel or join an existing one.</p><p>You can also create a new channel by clicking the <strong>\"+\" symbol</strong> next to the public or private channel header.</p>",
   "sidebar.unreadAbove": "Unread post(s) above",
   "sidebar.unreadBelow": "Unread post(s) below",
   "sidebar_header.tutorial": "<h4>Main Menu</h4><p>The <strong>Main Menu</strong> is where you can <strong>Invite New Members</strong>, access your <strong>Account Settings</strong> and set your <strong>Theme Color</strong>.</p><p>Team administrators can also access their <strong>Team Settings</strong> from this menu.</p><p>System administrators will find a <strong>System Console</strong> option to administrate the entire system.</p>",
@@ -1982,7 +1973,7 @@
   "suggestion.mention.morechannels": "Other Channels",
   "suggestion.mention.nonmembers": "Not in Channel",
   "suggestion.mention.special": "Special Mentions",
-  "suggestion.search.private": "Private Groups",
+  "suggestion.search.private": "Private Channels",
   "suggestion.search.public": "Public Channels",
   "system_users_list.count": "{count, number} {count, plural, one {user} other {users}}",
   "system_users_list.countPage": "{startCount, number} - {endCount, number} {count, plural, one {user} other {users}} of {total} total",
@@ -2041,7 +2032,7 @@
   "tutorial_intro.mobileAppsLinkText": "PC, Mac, iOS and Android",
   "tutorial_intro.next": "Next",
   "tutorial_intro.screenOne": "<h3>Welcome to:</h3><h1>Mattermost</h1><p>Your team communication all in one place, instantly searchable and available anywhere.</p><p>Keep your team connected to help them achieve what matters most.</p>",
-  "tutorial_intro.screenTwo": "<h3>How Mattermost works:</h3><p>Communication happens in public discussion channels, private groups and direct messages.</p><p>Everything is archived and searchable from any web-enabled desktop, laptop or phone.</p>",
+  "tutorial_intro.screenTwo": "<h3>How Mattermost works:</h3><p>Communication happens in public discussion channels, private channels and direct messages.</p><p>Everything is archived and searchable from any web-enabled desktop, laptop or phone.</p>",
   "tutorial_intro.skip": "Skip tutorial",
   "tutorial_intro.support": "Need anything, just email us at ",
   "tutorial_intro.teamInvite": "Invite teammates",
diff --git a/webapp/utils/channel_intro_messages.jsx b/webapp/utils/channel_intro_messages.jsx
index 390ce6d28..4871a8d69 100644
--- a/webapp/utils/channel_intro_messages.jsx
+++ b/webapp/utils/channel_intro_messages.jsx
@@ -217,13 +217,13 @@ export function createStandardIntroMessage(channel, centeredIntro) {
         uiType = (
             <FormattedMessage
                 id='intro_messages.group'
-                defaultMessage='private group'
+                defaultMessage='private channel'
             />
         );
         memberMessage = (
             <FormattedMessage
                 id='intro_messages.onlyInvited'
-                defaultMessage=' Only invited members can see this private group.'
+                defaultMessage=' Only invited members can see this private channel.'
             />
         );
     } else {