minor #4778 Update templating.rst (ifdattic)

This PR was merged into the 2.6 branch.

Discussion
----------

Update templating.rst

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.6
| Fixed tickets |

Commits
-------

851be38 Update templating.rst

Author: wouterj

book/templating.rst

@@ -1189,8 +1189,8 @@ automatically:
 
 .. versionadded:: 2.6
     The global ``app.security`` variable (or the ``$app->getSecurity()``
-    method in PHP templates) is deprecated as of Symfony 2.6. Use `app.user` 
-    (`$app->getUser()`) and `is_granted()` (`$view['security']->isGranted()`)
+    method in PHP templates) is deprecated as of Symfony 2.6. Use ``app.user`` 
+    (``$app->getUser()``) and ``is_granted()`` (``$view['security']->isGranted()``)
     instead.
 
 .. tip::