diff --git a/core/modules/forum/src/Routing/RouteProcessor.php b/core/modules/forum/src/Routing/RouteProcessor.php
index 15f46e56..285e186b 100644
--- a/core/modules/forum/src/Routing/RouteProcessor.php
+++ b/core/modules/forum/src/Routing/RouteProcessor.php
@@ -23,7 +23,7 @@ class RouteProcessor implements OutboundRouteProcessorInterface {
   /**
    * The entity type manager service.
    *
-   * @var \Drupal\Core\Entity\EntityManagerInterface
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
    */
   protected $entityTypeManager;