diff --git a/core/lib/Drupal/Core/Entity/HtmlEntityFormController.php b/core/lib/Drupal/Core/Entity/HtmlEntityFormController.php
index 5a4a0a8..0a4edf2 100644
--- a/core/lib/Drupal/Core/Entity/HtmlEntityFormController.php
+++ b/core/lib/Drupal/Core/Entity/HtmlEntityFormController.php
@@ -44,7 +44,7 @@ public function content(Request $request, $_entity_form) {
    *     _entity_form: 'node'
    * @endcode
    */
-  protected function getFormArg(Request $request, $arg) {
+  protected function getFormObject(Request $request, $arg) {
     $manager = $this->container->get('plugin.manager.entity');
 
     // If no operation is provided, use 'default'.