Update security.rst

Co-authored-by: Tobias Feijten <[email protected]>

security.rst

@@ -1846,7 +1846,7 @@ To enable logging out, activate the  ``logout`` config parameter under your fire
 
 Symfony will then un-authenticate users navigating to the configured ``path``,
 and redirect them to the configured ``target``. You can generate URLs to this
-path using the ``_security_<firewallname>`` route name (e.g. ``_security_main``).
+path using the ``_logout_<firewallname>`` route name (e.g. ``_logout_main``).
 
 If your project does not use :ref:`Symfony Flex <symfony-flex>`, make sure
 you have imported the logout route loader in your routes: