--- a/core/themes/bartik/templates/comment.html.twig
+++ b/core/themes/bartik/templates/comment.html.twig
@@ -43,21 +43,16 @@
  *
  * These variables are provided to give context about the parent comment (if
  * any):
- * - comment_parent: Full parent comment entity (if any).
+ * - parent_comment: Full parent comment entity (if any).
  * - parent_author: Equivalent to author for the parent comment.
  * - parent_created: Equivalent to created for the parent comment.
  * - parent_changed: Equivalent to changed for the parent comment.
  * - parent_title: Equivalent to title for the parent comment.
  * - parent_permalink: Equivalent to permalink for the parent comment.
- * - parent: A text string of parent comment submission information created from
- *   'parent_author' and 'parent_created' during template_preprocess_comment().
- *   This information is presented to help screen readers follow lengthy
- *   discussion threads. You can hide this from sighted users using the class
- *   visually-hidden.
  *
  * These two variables are provided for context:
  * - comment: Full comment object.
- * - entity: Entity the comments are attached to.
+ * - commented_entity: Entity the comments are attached to.
  *
  * @see template_preprocess_comment()
  */
@@ -79,13 +74,16 @@
           {{ permalink }}
         </p>
         {#
-          // Indicate the semantic relationship between parent and child comments
-          // for accessibility. The list is difficult to navigate in a screen
-          // reader without this information.
+          Indicate the semantic relationship between parent and child comments
+          for accessibility. The list is difficult to navigate in a screen
+          reader without this information.
+          This information is presented to help screen readers follow lengthy
+          discussion threads. You can hide this from sighted users using the class
+          visually-hidden.
         #}
-        {% if parent %}
+        {% if parent_comment %}
         <p class="comment-parent visually-hidden">
-          {{ parent }}
+          {{ "In reply to !parent_title by !parent_author"|t({ '!parent_title': parent_title, '!parent_author': parent_author }) }}
         </p>
         {% endif %}
       </div>