Fixed a minor XML typo

javiereguiluz · weaverryan · commit 83f703828e7f · 2013-07-17T21:43:24.000-05:00
diff --git a/book/forms.rst b/book/forms.rst
@@ -329,7 +329,7 @@ object.
                     <constraint name="Type">\DateTime</constraint>
                 </property>
             </class>
-        <constraint-mapping>
+        </constraint-mapping>
 
     .. code-block:: php
 
