Update twig_reference.rst

Jean-François Lépine · weaverryan · commit 678ab9356faf · 2013-03-14T20:41:52.000-05:00
| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets |

Fixes typo
diff --git a/reference/twig_reference.rst b/reference/twig_reference.rst
@@ -20,7 +20,7 @@ Functions
 .. versionadded:: 2.1
     The ``csrf_token``, ``logout_path`` and ``logout_url`` functions were added in Symfony2.1
 
-.. versionadded:: 2.3
+.. versionadded:: 2.2
     The ``render`` and ``controller`` functions are new in Symfony 2.2. Prior,
     the ``{% render %}`` tag was used and had a different signature.
 
