Wording

(cherry picked from commit f920baf)

Author: michaelklishin

Diff for: release-notes/4.0.6.md

@@ -134,7 +134,7 @@ Release notes can be found on GitHub at [rabbitmq-server/release-notes](https://
    GitHub issue: [#13047](https://github.com/rabbitmq/rabbitmq-server/issues/13047)
 
 
-### Peer Discovery Consul Plugin
+### Consul Peer Discovery Plugin
 
 #### Enhancements