diff --git a/core/lib/Drupal/Core/Config/ConfigFactory.php b/core/lib/Drupal/Core/Config/ConfigFactory.php
index b7666ca..a651a1d 100644
--- a/core/lib/Drupal/Core/Config/ConfigFactory.php
+++ b/core/lib/Drupal/Core/Config/ConfigFactory.php
@@ -359,7 +359,10 @@ protected function canOverride($name) {
   }
 
   /**
-   * {@inheritdoc}
+   * Removes stale static cache entries when configuration is saved.
+   *
+   * @param ConfigEvent $event
+   *   The configuration event.
    */
   public function onConfigSave(ConfigEvent $event) {
     // Ensure that the static cache contains up to date configuration objects by