Issue #3174570 by quietone, anmolgoyal74, skudderk: Fix documentation comment...

Issue #3174570 by quietone, anmolgoyal74, skudderk: Fix documentation comment in MainContentViewSubscriber

core/lib/Drupal/Core/EventSubscriber/MainContentViewSubscriber.php

@@ -27,7 +27,7 @@ class MainContentViewSubscriber implements EventSubscriberInterface {
   /**
    * The class resolver service.
    *
-   * @var \Drupal\Core\Controller\ControllerResolverInterface
+   * @var \Drupal\Core\DependencyInjection\ClassResolverInterface
    */
   protected $classResolver;