Fixed typo ou/you

Author: mickaelandrieu

components/routing.rst

@@ -427,7 +427,7 @@ routes with UTF-8 characters:
 In this route, the ``utf8`` option set to ``true`` makes Symfony consider the
 ``.`` requirement to match any UTF-8 characters instead of just a single
 byte character. This means that so the following URLs would match:
-``/category/日本語``, ``/category/فارسی``, ``/category/한국어``, etc. In case ou
+``/category/日本語``, ``/category/فارسی``, ``/category/한국어``, etc. In case you
 are wondering, this option also allows to include and match emojis in URLs.
 
 .. configuration-block::