minor #11831 Fixed a broken reference (javiereguiluz)

This PR was merged into the 4.2 branch.

Discussion
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Fixed a broken reference

Fixes #11829 in a different way.

Commits
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300efbe Fixed a broken reference

Author: javiereguiluz

setup.rst

@@ -39,7 +39,7 @@ Running your Symfony Application
 On production, you should use a web server like Nginx or Apache (see
 :doc:`configuring a web server to run Symfony </setup/web_server_configuration>`).
 But for development, it's more convenient to use the
-:doc:`Symfony Local Web Server <setup/symfony_server>`.
+:doc:`Symfony Local Web Server </setup/symfony_server>`.
 
 This local server provides support for HTTP/2, TLS/SSL, automatic generation of
 security certificates and many other features. It works with any PHP application,