diff --git a/core/assets/scaffold/files/default.settings.php b/core/assets/scaffold/files/default.settings.php
index 4768843bcf07f3478d68fc378c35218245173703..72be7750b93a427526891c4d02068fed3c9a74f6 100644
--- a/core/assets/scaffold/files/default.settings.php
+++ b/core/assets/scaffold/files/default.settings.php
@@ -703,6 +703,8 @@
  * @endcode
  * will allow the site to run off of all variants of example.com and
  * example.org, with all subdomains included.
+ *
+ * @see https://www.drupal.org/docs/installing-drupal/trusted-host-settings
  */
 
 /**
diff --git a/sites/default/default.settings.php b/sites/default/default.settings.php
index 4768843bcf07f3478d68fc378c35218245173703..72be7750b93a427526891c4d02068fed3c9a74f6 100644
--- a/sites/default/default.settings.php
+++ b/sites/default/default.settings.php
@@ -703,6 +703,8 @@
  * @endcode
  * will allow the site to run off of all variants of example.com and
  * example.org, with all subdomains included.
+ *
+ * @see https://www.drupal.org/docs/installing-drupal/trusted-host-settings
  */
 
 /**