quick tweak to code block type

weaverryan · web-flow · commit 979f5b551935 · 2017-10-26T10:07:10.000-05:00
diff --git a/request/load_balancer_reverse_proxy.rst b/request/load_balancer_reverse_proxy.rst
@@ -63,7 +63,7 @@ In this case, you'll need to - *very carefully* - trust *all* proxies.
 #. Once you've guaranteed that traffic will only come from your trusted reverse
    proxies, configure Symfony to *always* trust incoming request:
 
-   .. code-block:: diff
+   .. code-block:: php
 
        // web/app.php
 
