diff --git a/railties/lib/rails/engine.rb b/railties/lib/rails/engine.rb
index 77a68eb7f1f4a196f4f86de198a62c1a8969140e..ca7f31e05a895adb631873d0a97fd85ee2a0274f 100644
--- a/railties/lib/rails/engine.rb
+++ b/railties/lib/rails/engine.rb
@@ -300,7 +300,7 @@ module Rails
   #     helper MyEngine::SharedEngineHelper
   #   end
   #
-  # If you want to include all of the engine's helpers, you can use #helpers method on an engine's
+  # If you want to include all of the engine's helpers, you can use #helper method on an engine's
   # instance:
   #
   #   class ApplicationController < ActionController::Base