diff -u b/core/modules/media/src/MediaPermissions.php b/core/modules/media/src/MediaPermissions.php
--- b/core/modules/media/src/MediaPermissions.php
+++ b/core/modules/media/src/MediaPermissions.php
@@ -24,11 +24,11 @@
   /**
    * MediaPermissions constructor.
    *
-   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
    *   The entity type manager service.
    */
-  public function __construct(EntityTypeManagerInterface $entityTypeManager) {
-    $this->entityTypeManager = $entityTypeManager;
+  public function __construct(EntityTypeManagerInterface $entity_type_manager) {
+    $this->entityTypeManager = $entity_type_manager;
   }
 
   /**
diff -u b/core/modules/media/tests/src/Functional/Update/MediaUpdateTest.php b/core/modules/media/tests/src/Functional/Update/MediaUpdateTest.php
--- b/core/modules/media/tests/src/Functional/Update/MediaUpdateTest.php
+++ b/core/modules/media/tests/src/Functional/Update/MediaUpdateTest.php
@@ -38,7 +38,6 @@
       'create media',
     ]);
 
-    // Run updates.
     $this->runUpdates();
 
     /** @var \Drupal\user\RoleInterface $role */