diff --git a/core/modules/filter/templates/text-format-wrapper.html.twig b/core/modules/filter/templates/text-format-wrapper.html.twig
index 367de09..de61d92 100644
--- a/core/modules/filter/templates/text-format-wrapper.html.twig
+++ b/core/modules/filter/templates/text-format-wrapper.html.twig
@@ -15,7 +15,7 @@
  * @ingroup themeable
  */
 #}
-<div class="js-text-format-wrapper">
+<div class="js-text-format-wrapper js-form-item form-item">
   {{ children }}
   {% if description %}
     <div{{ attributes }}>{{ description }}</div>
diff --git a/core/themes/classy/templates/content-edit/text-format-wrapper.html.twig b/core/themes/classy/templates/content-edit/text-format-wrapper.html.twig
index 3d4387a..08a88ca 100644
--- a/core/themes/classy/templates/content-edit/text-format-wrapper.html.twig
+++ b/core/themes/classy/templates/content-edit/text-format-wrapper.html.twig
@@ -13,7 +13,7 @@
  * @see template_preprocess_text_format_wrapper()
  */
 #}
-<div class="js-text-format-wrapper text-format-wrapper">
+<div class="js-text-format-wrapper text-format-wrapper js-form-item form-item">
   {{ children }}
   {% if description %}
     {%