diff --git a/actionpack/lib/action_controller/routing.rb b/actionpack/lib/action_controller/routing.rb
index 4baea24572..cf627448cc 100644
--- a/actionpack/lib/action_controller/routing.rb
+++ b/actionpack/lib/action_controller/routing.rb
@@ -268,6 +268,10 @@ module ActionController
   #    #...
   #  end
   #
+  # == View a list of all your routes
+  #
+  # Run <tt>rake routes</tt>.
+  #
   module Routing
     SEPARATORS = %w( / . ? )