Reword

Author: javiereguiluz

routing.rst

@@ -22,7 +22,17 @@ Creating Routes
 
 A *route* is a map from a URL path to a controller. Suppose you want one route that
 matches ``/blog`` exactly and another more dynamic route that can match *any* URL
-like ``/blog/my-post`` or ``/blog/all-about-symfony``:
+like ``/blog/my-post`` or ``/blog/all-about-symfony``.
+
+Routes can be configured in YAML, XML and PHP. All formats provide the same
+features and performance, so choose the one you prefer. If you choose PHP
+annotations, run this command once in your app to add support for them:
+
+.. code-block:: terminal
+
+    $ composer require annotations
+
+Now you can configure the routes:
 
 .. configuration-block::