[Messenger] Fixed a reference

Author: javiereguiluz

messenger.rst

@@ -623,6 +623,8 @@ config and start your workers:
 
 See the `Supervisor docs`_ for more details.
 
+.. _messenger-retries-failures:
+
 Retries & Failures
 ------------------
 
@@ -712,8 +714,8 @@ to retry them:
     $ php bin/console messenger:failed:remove 20
 
 If the message fails again, it will be re-sent back to the failure transport
-due to the normal `retry rules <Retries & Failures>`_. Once the max retry has
-been hit, the message will be discarded permanently.
+due to the normal :ref:`retry rules <messenger-retries-failures>`. Once the max
+retry has been hit, the message will be discarded permanently.
 
 .. _messenger-transports-config: