diff --git a/docs/crud/configuration.md b/docs/crud/configuration.md
index 5e63425..539cfe3 100644
--- a/docs/crud/configuration.md
+++ b/docs/crud/configuration.md
@@ -279,7 +279,7 @@ Add a batch action. The callback has 2 arguments:
 * An instance of `App\Core\Entity\EntityInterface`
 * An instance of `App\Core\Manager\EntityManager`
 
-```
+```php-inline
 use App\Core\Entity\EntityInterface;
 use App\Core\Manager\EntityManager;