diff --git a/core/lib/Drupal/Core/Asset/AssetResolver.php b/core/lib/Drupal/Core/Asset/AssetResolver.php
index 1d43a79..0050d39 100644
--- a/core/lib/Drupal/Core/Asset/AssetResolver.php
+++ b/core/lib/Drupal/Core/Asset/AssetResolver.php
@@ -123,9 +123,7 @@ public function getCssAssets(AttachedAssetsInterface $assets, $optimize) {
           // order.
           $options['weight'] += count($css) / 1000;
 
-          // Local and external files must keep their name as the associative
-          // key so the same CSS file is not added twice. Depending on the type,
-          // some options may need some processing.
+          // Depending on the type, some options may need processing.
           switch ($options['type']) {
             case 'file':
               // Local CSS files need the basename to be saved because it is