minor #19546 [Container] Small typos (chadyred)

This PR was submitted for the 7.1 branch but it was merged into the 5.4 branch instead.

Discussion
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[Container] Small typos

https://symfony.com/doc/current/reference/dic_tags.html#kernel-event-subscriber

Commits
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9b1c4b9 [Container] Missing link RST link begin

Author: xabbuh

service_container.rst

@@ -1298,7 +1298,7 @@ and ``site_update_manager.normal_users``. Thanks to the alias, if you type-hint
 ``SiteUpdateManager`` the first (``site_update_manager.superadmin``) will be passed.
 
 If you want to pass the second, you'll need to :ref:`manually wire the service <services-wire-specific-service>`
-or to create a named ref:`autowiring alias <autowiring-alias>`.
+or to create a named :ref:`autowiring alias <autowiring-alias>`.
 
 .. caution::