diff --git a/actionview/lib/action_view/helpers/date_helper.rb b/actionview/lib/action_view/helpers/date_helper.rb
index 7b838e260c17e..3d091c4a00164 100644
--- a/actionview/lib/action_view/helpers/date_helper.rb
+++ b/actionview/lib/action_view/helpers/date_helper.rb
@@ -1066,7 +1066,7 @@ def time_select(method, options = {}, html_options = {})
       # Wraps ActionView::Helpers::DateHelper#datetime_select for form builders:
       #
       #   <%= form_for @person do |f| %>
-      #     <%= f.time_select :last_request_at %>
+      #     <%= f.datetime_select :last_request_at %>
       #     <%= f.submit %>
       #   <% end %>
       #