diff --git a/user_cancel_password_confirm.module b/user_cancel_password_confirm.module
index d99d82b88242e5879659ccd20ce4fbc0a3c24bd8..8ca52a01cdc7551626c09c9e9efd886fc78c3135 100644
--- a/user_cancel_password_confirm.module
+++ b/user_cancel_password_confirm.module
@@ -35,7 +35,10 @@ function user_cancel_password_confirm_form_user_cancel_confirm_form_alter(&$form
 }
 
 /**
- * Validation for the current password field on the user cancellation form.
+ * Form API callback: Validates the password on the user cancellation form.
+ *
+ * This function is assigned as an #element_validate callback in
+ * user_cancel_password_confirm_form_user_cancel_confirm_form_alter().
  */
 function user_cancel_password_confirm_validate($element, &$form_state, $complete_form) {
   // Check the current user's password (not the account being deleted). This
@@ -48,7 +51,10 @@ function user_cancel_password_confirm_validate($element, &$form_state, $complete
 }
 
 /**
- * Replacement submit handler for the user cancellation form.
+ * Replacement form submission handler for user_cancel_confirm_form().
+ *
+ * @see user_cancel_confirm_form()
+ * @see user_cancel_password_confirm_form_user_cancel_confirm_form_alter()
  */
 function user_cancel_password_confirm_submit($form, &$form_state) {
   global $user;