diff --git a/cake/libs/view/helpers/form.php b/cake/libs/view/helpers/form.php
index 29dc58116..3a9c60815 100644
--- a/cake/libs/view/helpers/form.php
+++ b/cake/libs/view/helpers/form.php
@@ -172,7 +172,7 @@ class FormHelper extends AppHelper {
  * ### Options:
  *
  * - `type` Form method defaults to POST
- * - `action`  The Action the form submits to. Can be a string or array,
+ * - `action`  The controller action the form submits to, (optional).
  * - `url`  The url the form submits to. Can be a string or a url array,
  * - `default`  Allows for the creation of Ajax forms.
  * - `onsubmit` Used in conjunction with 'default' to create ajax forms.