diff --git a/actionpack/README.rdoc b/actionpack/README.rdoc
index 076a93bbcd2..1fdc57e14d7 100644
--- a/actionpack/README.rdoc
+++ b/actionpack/README.rdoc
@@ -218,7 +218,7 @@ A short rundown of some of the major features:
 
       def show
         # the output of the method will be cached as
-        # ActionController::Base.page_cache_directory + "/weblog/show/n.html"
+        # ActionController::Base.page_cache_directory + "/weblog/show.html"
         # and the web server will pick it up without even hitting Rails
       end