Issue #2672512 by Birk, kurund: CKEditorPluginConfigurableInterface::settingsForm() docs don't match API usage

core/modules/ckeditor/src/CKEditorPluginConfigurableInterface.php

@@ -43,8 +43,8 @@ interface CKEditorPluginConfigurableInterface extends CKEditorPluginInterface {
    * @param \Drupal\editor\Entity\Editor $editor
    *   A configured text editor object.
    *
-   * @return array|FALSE
-   *   A render array for the settings form, or FALSE if there is none.
+   * @return array
+   *   A render array for the settings form.
    */
   public function settingsForm(array $form, FormStateInterface $form_state, Editor $editor);