typo yaml error message should have quote

jaugustin · weaverryan · commit d7267d055df4 · 2011-10-03T16:33:18.000-05:00
diff --git a/reference/constraints/MinLength.rst b/reference/constraints/MinLength.rst
@@ -26,7 +26,7 @@ Basic Usage
         Acme\BlogBundle\Entity\Blog:
             properties:
                 firstName:
-                    - MinLength: { limit: 3, message: Your name must have at least {{ limit}} characters. }
+                    - MinLength: { limit: 3, message: "Your name must have at least {{ limit}} characters." }
 
     .. code-block:: php-annotations
 
