diff --git a/doctrine/associations.rst b/doctrine/associations.rst
index e940145bb2e..cf769166122 100644
--- a/doctrine/associations.rst
+++ b/doctrine/associations.rst
@@ -315,7 +315,7 @@ Saving Related Entities
 Now you can see this new code in action! Imagine you're inside a controller::
 
     // src/Controller/ProductController.php
-    namespace App/Controller;
+    namespace App\Controller;
 
     // ...
     use App\Entity\Category;