1 files changed, 3 insertions, 1 deletions
diff --git a/src/lib/Bcfg2/Cache.py b/src/lib/Bcfg2/Cache.py
index 9a828e2c9..842098eda 100644
--- a/src/lib/Bcfg2/Cache.py
+++ b/src/lib/Bcfg2/Cache.py
@@ -2,11 +2,13 @@
 doesn't provide many features, but more (time-based expiration, etc.)
 can be added as necessary. """
 
+
 class Cache(dict):
     """ an implementation of a simple memory-backed cache """
+
     def expire(self, key=None):
+        """ expire all items, or a specific item, from the cache """
         if key is None:
             self.clear()
         elif key in self:
             del self[key]
-