bug symfony#5903 Update front controller (nurolopher)

This PR was submitted for the 2.7 branch but it was merged into the 2.3 branch instead (closes symfony#5903).

Discussion
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Update front controller

`hello` was missing

Commits
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5abf3e2 Update front controller

Author: wouterj

create_framework/front-controller.rst

@@ -159,7 +159,7 @@ web root directory:
 Now, configure your web server root directory to point to ``web/`` and all
 other files won't be accessible from the client anymore.
 
-To test your changes in a browser (``http://localhost:4321/?name=Fabien``), run
+To test your changes in a browser (``http://localhost:4321/hello/?name=Fabien``), run
 the PHP built-in server:
 
 .. code-block:: bash