diff --git a/core/modules/ckeditor/templates/ckeditor-settings-toolbar.html.twig b/core/modules/ckeditor/templates/ckeditor-settings-toolbar.html.twig
index 6d55f14..08dc3d8 100644
--- a/core/modules/ckeditor/templates/ckeditor-settings-toolbar.html.twig
+++ b/core/modules/ckeditor/templates/ckeditor-settings-toolbar.html.twig
@@ -20,7 +20,7 @@
  *     this has to be used.
  * - multiple_buttons: A list of buttons that may be added multiple times.
  * - disabled_buttons: A list of disabled buttons.
- * - active_buttons: A list of active button rows
+ * - active_buttons: A list of active button rows.
  *
  * @see template_preprocess_ckeditor_settings_toolbar()
  *