minor #20205 [Messenger] Add missing backticks for inline snippets (phansys)

This PR was merged into the 7.1 branch.

Discussion
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[Messenger] Add missing backticks for inline snippets

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Commits
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d3e3ab7 [Messenger] Add missing backticks for inline snippets

Author: javiereguiluz

messenger.rst

@@ -1679,7 +1679,7 @@ redis_sentinel           support is disabled
 
 .. versionadded:: 7.1
 
-    The option `redis_sentinel` as an alias for `sentinel_master` was introduced
+    The option ``redis_sentinel`` as an alias for ``sentinel_master`` was introduced
     in Symfony 7.1.
 
 .. caution::