diff -u b/core/modules/block_content/block_content.routing.yml b/core/modules/block_content/block_content.routing.yml
--- b/core/modules/block_content/block_content.routing.yml
+++ b/core/modules/block_content/block_content.routing.yml
@@ -79,7 +79,7 @@
   path: '/admin/structure/block/block-content/manage/{block_content_type}'
   defaults:
     _entity_form: 'block_content_type.edit'
-    _title_callback: '\Drupal\Core\Entity\Controller\EntityContoller::title'
+    _title_callback: '\Drupal\Core\Entity\Controller\EntityController::title'
   requirements:
     _entity_access: 'block_content_type.update'