Fix link for Twig Extensions documentation

mpdude · xabbuh · commit cd40f4d85ba0 · 2017-03-13T09:04:45.000+01:00
See twigphp/Twig-extensions#201.
diff --git a/reference/twig_reference.rst b/reference/twig_reference.rst
@@ -769,4 +769,4 @@ Those bundles can have other Twig extensions:
   :doc:`the Assetic Documentation </assetic/asset_management>`.
 
 .. _`Twig Reference`: http://twig.sensiolabs.org/documentation#reference
-.. _`the official Twig Extensions documentation`: http://twig.sensiolabs.org/doc/extensions/index.html
+.. _`the official Twig Extensions documentation`: http://twig-extensions.readthedocs.io/
