diff --git a/includes/form.inc b/includes/form.inc
index c6f39b84b0f783543baea2eb729647120f93025b..cca2fd95e51cf7b197ad5f8939d6268539197e83 100644
--- a/includes/form.inc
+++ b/includes/form.inc
@@ -276,7 +276,8 @@ function form_get_cache($form_build_id, &$form_state) {
  * $form_state = array();
  * $form_state['values']['name'] = 'robo-user';
  * $form_state['values']['mail'] = 'robouser@example.com';
- * $form_state['values']['pass'] = 'password';
+ * $form_state['values']['pass']['pass1'] = 'password';
+ * $form_state['values']['pass']['pass2'] = 'password';
  * $form_state['values']['op'] = t('Create new account');
  * drupal_execute('user_register', $form_state);
  *