Small tweak the ConditionalGet documentation

	Time#utc does not need to be called when passing the object to :last_modified 	since it is called internally to Rails.

Author: carllerche

actionpack/lib/action_controller/metal/conditional_get.rb

@@ -17,7 +17,7 @@ module ConditionalGet
     #
     #   def show
     #     @article = Article.find(params[:id])
-    #     fresh_when(:etag => @article, :last_modified => @article.created_at.utc, :public => true)
+    #     fresh_when(:etag => @article, :last_modified => @article.created_at, :public => true)
     #   end
     #
     # This will render the show template if the request isn't sending a matching etag or
@@ -48,7 +48,7 @@ def fresh_when(options)
     #   def show
     #     @article = Article.find(params[:id])
     #
-    #     if stale?(:etag => @article, :last_modified => @article.created_at.utc)
+    #     if stale?(:etag => @article, :last_modified => @article.created_at)
     #       @statistics = @article.really_expensive_call
     #       respond_to do |format|
     #         # all the supported formats