Merge pull request symfony#3271 from berny46/patch-1

weaverryan · weaverryan · commit cefdd6c5e24a · 2013-12-18T09:15:04.000-08:00
Update Callback.rst
diff --git a/reference/constraints/Callback.rst b/reference/constraints/Callback.rst
@@ -42,7 +42,7 @@ Configuration
         # src/Acme/BlogBundle/Resources/config/validation.yml
         Acme\BlogBundle\Entity\Author:
             constraints:
-                - Callback: validate
+                - Callback: [validate]
 
     .. code-block:: php-annotations
 
