diff --git a/core/lib/Drupal/Core/Form/FormBuilderInterface.php b/core/lib/Drupal/Core/Form/FormBuilderInterface.php
index ca79437..6d90daa 100644
--- a/core/lib/Drupal/Core/Form/FormBuilderInterface.php
+++ b/core/lib/Drupal/Core/Form/FormBuilderInterface.php
@@ -152,33 +152,17 @@ public function rebuildForm($form_id, FormStateInterface &$form_state, $old_form
    * @param ...
    *   Any additional arguments are passed on to the functions called by
    *   self::submitForm(), including the unique form constructor function.
-   *   For example, the node_edit form requires that a node object be passed
-   *   in here when it is called. Arguments that need to be passed by reference
-   *   should not be included here, but rather placed directly in the
-   *   $form_state build info array so that the reference can be preserved. For
-   *   example, a form builder function with the following signature:
-   *   @code
-   *   function mymodule_form($form, FormStateInterface &$form_state, &$object) {
-   *   }
-   *   @endcode
-   *   would be called via self::submitForm() as follows:
+   *   Arguments that need to be passed by reference should not be included
+   *   here, but rather placed directly in the $form_state build info array so
+   *   that the reference can be preserved. For example, a form whose ID is
+   *   mymodule_form, built from a class for which its buildForm() method
+   *   expects a &$object argument would be called via self::submitForm() as
+   *   follows:
    *   @code
    *   $form_state->setValues($my_form_values);
    *   $form_state->addBuildInfo('args', [&$object]);
    *   \Drupal::formBuilder()->submitForm('mymodule_form', $form_state);
    *   @endcode
-   * For example:
-   * @code
-   * // register a new user
-   * $form_state = new FormState();
-   * $values['name'] = 'robo-user';
-   * $values['mail'] = 'robouser@example.com';
-   * $values['pass']['pass1'] = 'password';
-   * $values['pass']['pass2'] = 'password';
-   * $values['op'] = t('Create new account');
-   * $form_state->setValues($values);
-   * \Drupal::formBuilder()->submitForm('user_register_form', $form_state);
-   * @endcode
    */
   public function submitForm($form_arg, FormStateInterface &$form_state);