.../EventSubscriber/CurrentPathDestinationLinkResponseFilter.php     | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/core/lib/Drupal/Core/EventSubscriber/CurrentPathDestinationLinkResponseFilter.php b/core/lib/Drupal/Core/EventSubscriber/CurrentPathDestinationLinkResponseFilter.php
index dbffd2a..95d0994 100644
--- a/core/lib/Drupal/Core/EventSubscriber/CurrentPathDestinationLinkResponseFilter.php
+++ b/core/lib/Drupal/Core/EventSubscriber/CurrentPathDestinationLinkResponseFilter.php
@@ -51,7 +51,7 @@ public function __construct(AccountInterface $current_user, CurrentPathStack $cu
   }
 
   /**
-   * Sets the 'is-active' class on links.
+   * Adds "destination" query string pointing to the current path.
    *
    * @param \Symfony\Component\HttpKernel\Event\FilterResponseEvent $event
    *   The response event.
@@ -62,7 +62,8 @@ public function onResponse(FilterResponseEvent $event) {
       return;
     }
 
-    // For authenticated users, the 'is-active' class is set in JavaScript.
+    // For authenticated users, the 'destination' query string is set in
+    // JavaScript.
     // @see system_page_attachments()
     if ($this->currentUser->isAuthenticated()) {
       return;