Merge branch 'master' into active_model

Conflicts:
	activeresource/lib/active_resource/validations.rb

1 files changed, 1 insertions, 1 deletions

diff --git a/actionpack/lib/action_controller/caching/actions.rb b/actionpack/lib/action_controller/caching/actions.rb
index 87b5029e57..b99feddf77 100644
--- a/actionpack/lib/action_controller/caching/actions.rb
+++ b/actionpack/lib/action_controller/caching/actions.rb
@@ -134,7 +134,7 @@ module ActionController #:nodoc:
           end
         end
         
-        # When true, infer_extension will look up the cache path extension from the request's path & format.
+        # If +infer_extension+ is true, the cache path extension is looked up from the request's path & format.
         # This is desirable when reading and writing the cache, but not when expiring the cache -
         # expire_action should expire the same files regardless of the request format.
         def initialize(controller, options = {}, infer_extension = true)