diff --git a/symfony-cmf/cmf-phpcr-dbal-pack/1.0/config/packages/cmf_phpcr_dbal.yaml b/symfony-cmf/cmf-phpcr-dbal-pack/1.0/config/packages/cmf_phpcr_dbal.yaml
index 206cf413..422e7bfc 100644
--- a/symfony-cmf/cmf-phpcr-dbal-pack/1.0/config/packages/cmf_phpcr_dbal.yaml
+++ b/symfony-cmf/cmf-phpcr-dbal-pack/1.0/config/packages/cmf_phpcr_dbal.yaml
@@ -1,24 +1,20 @@
-framework:
-    templating: { engines: ['twig'] }
-
-cmf_menu:
-    persistence:
-        phpcr: ~
+# persistence is configured through propagation of core-bundle's configuration: https://symfony.com/doc/current/cmf/bundles/core/configuration.html#persistence
+# So core-bundle, menu-bundle, block-bundle and routing bundle can be configured on their own too. Have a look at:
+# menu-bundle: https://symfony.com/doc/current/cmf/bundles/menu/configuration.html
+# block-bundle: https://symfony.com/doc/current/cmf/bundles/block/configuration.html
+# content-bundle: https://symfony.com/doc/current/cmf/bundles/content/configuration.html
+# routing-bundle: https://symfony.com/doc/current/cmf/bundles/routing/configuration.html
+# for their specific configuration
 
 cmf_routing:
     chain:
         routers_by_id:
             cmf_routing.dynamic_router: 200
-            router.default:             100
-    dynamic:
-        persistence:
-            phpcr:
-                enabled: true
+            routder.default:             100
 
-cmf_content:
+cmf_core:
+    # content-bundle, menu-bundle, block-bundle and routing-bundle will get same persistence configduration as core
+    # read about configuration: https://symfony.com/doc/current/cmf/bundles/core/configuration.html
     persistence:
         phpcr: ~
 
-cmf_core:
-    multilang:
-        locales: [en,de]