diff --git a/lib/cancan/controller_additions.rb b/lib/cancan/controller_additions.rb
index ba3e26b..5249744 100644
--- a/lib/cancan/controller_additions.rb
+++ b/lib/cancan/controller_additions.rb
@@ -294,7 +294,7 @@ module CanCan
     #
     #   class ApplicationController < ActionController::Base
     #     rescue_from CanCan::AccessDenied do |exception|
-    #       flash[:error] = exception.message
+    #       flash[:alert] = exception.message
     #       redirect_to root_url
     #     end
     #   end