diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb
index 57b5c77ae9..307f5638a1 100644
--- a/actionpack/lib/action_view/helpers/form_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_helper.rb
@@ -290,7 +290,7 @@ module ActionView
       #
       # Example:
       #
-      #   <%= form(@post) do |f| %>
+      #   <%= form_for(@post) do |f| %>
       #     <% f.fields_for(:comments, :include_id => false) do |cf| %>
       #       ...
       #     <% end %>