From 1fea07ec81b7837bf269797c9ef62e49c2be9a2b Mon Sep 17 00:00:00 2001
From: Simone Fumagalli <simone@iliveinperego.com>
Date: Mon, 18 Mar 2013 18:00:28 +0100
Subject: [PATCH] Fixed a yaml configuration block

---
 cookbook/validation/custom_constraint.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cookbook/validation/custom_constraint.rst b/cookbook/validation/custom_constraint.rst
index c906516dae8..e8f169b4c50 100644
--- a/cookbook/validation/custom_constraint.rst
+++ b/cookbook/validation/custom_constraint.rst
@@ -238,7 +238,7 @@ not to the property:
         # src/Acme/BlogBundle/Resources/config/validation.yml
         Acme\DemoBundle\Entity\AcmeEntity:
             constraints:
-                - ContainsAlphanumeric
+                ContainsAlphanumeric: ~
 
     .. code-block:: php-annotations