diff --git a/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentPermalinkFormatter.php b/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentPermalinkFormatter.php
index 5e22475..711835f 100644
--- a/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentPermalinkFormatter.php
+++ b/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentPermalinkFormatter.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\comment\Plugin\Field\FieldFormatter;
 
+use Drupal\Component\Utility\Unicode;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\Core\Field\Plugin\Field\FieldFormatter\StringFormatter;
@@ -33,7 +34,15 @@ class CommentPermalinkFormatter extends StringFormatter {
    */
   protected function getEntityUrl(EntityInterface $comment) {
     /** @var $comment \Drupal\comment\CommentInterface */
-    return $comment->permalink();
+    $body = '';
+    if (!empty($comment->comment_body->value)) {
+      $body = $comment->comment_body->value;
+    }
+    $comment_permalink = $comment->permalink();
+    $attributes = $comment_permalink->getOption('attributes') ?: array();
+    $attributes += array('title' => Unicode::truncate($body, 128));
+    $comment_permalink->setOption('attributes', $attributes);
+    return $comment_permalink;
   }
 
   /**