diff --git a/doc/installation/attribute-mapping.md b/doc/installation/attribute-mapping.md
index 42e2e355..3fd622c9 100644
--- a/doc/installation/attribute-mapping.md
+++ b/doc/installation/attribute-mapping.md
@@ -5,11 +5,13 @@ Check the mapping settings in `config/packages/doctrine.yaml`.
 doctrine:
     ...
     orm:
-        ...
-        mappings:
-            App:
+        entity_managers:
+            default:
                 ...
-                type: attribute
+                mappings:
+                    App:
+                        ...
+                        type: attribute
 ```
 
 Update entity with traits: