diff --git a/routing.rst b/routing.rst
index fa3f35fa7d1..cae941399f8 100644
--- a/routing.rst
+++ b/routing.rst
@@ -157,7 +157,7 @@ the ``BlogController``:
 
 .. note::
 
-    By default Symfony only loads the routes defined in YAML format. If you
+    By default Symfony only loads the routes defined in YAML and PHP format. If you
     define routes in XML and/or PHP formats, you need to
     :ref:`update the src/Kernel.php file <configuration-formats>`.