diff --git a/core/modules/menu_link_content/src/Plugin/migrate/process/d6/LinkUri.php b/core/modules/menu_link_content/src/Plugin/migrate/process/d6/LinkUri.php
index 46b53a04e69c..0a4c918387fb 100644
--- a/core/modules/menu_link_content/src/Plugin/migrate/process/d6/LinkUri.php
+++ b/core/modules/menu_link_content/src/Plugin/migrate/process/d6/LinkUri.php
@@ -9,5 +9,7 @@ use \Drupal\menu_link_content\Plugin\migrate\process\LinkUri as RealLinkUri;
  *
  * @deprecated in Drupal 8.2.0, will be removed before Drupal 9.0.0. Use
  * \Drupal\menu_link_content\Plugin\migrate\process\LinkUri instead.
+ *
+ * @see https://www.drupal.org/node/2761389
  */
 class LinkUri extends RealLinkUri {}
diff --git a/core/modules/menu_link_content/src/Plugin/migrate/process/d7/InternalUri.php b/core/modules/menu_link_content/src/Plugin/migrate/process/d7/InternalUri.php
index fc636758b135..2cb8aaf21edf 100644
--- a/core/modules/menu_link_content/src/Plugin/migrate/process/d7/InternalUri.php
+++ b/core/modules/menu_link_content/src/Plugin/migrate/process/d7/InternalUri.php
@@ -9,5 +9,7 @@ use Drupal\menu_link_content\Plugin\migrate\process\LinkUri;
  *
  * @deprecated in Drupal 8.2.0, will be removed before Drupal 9.0.0. Use
  * \Drupal\menu_link_content\Plugin\migrate\process\LinkUri instead.
+ *
+ * @see https://www.drupal.org/node/2761389
  */
 class InternalUri extends LinkUri {}