More accurate wording in the release notes

Author: mkuratczyk

release-notes/3.9.8.md

@@ -30,9 +30,9 @@ Contributors are encouraged to update them together with their changes. This hel
 
   GitHub issue: [#3570](https://github.com/rabbitmq/rabbitmq-server/issues/3570)
 
-* In some environments, Stream replicas returned IP addresses that could not be reached by other RabbitMQ nodes
-  (eg. IP addresses behind a NAT in a Docker deployment). RabbitMQ hostnames are now returned as well so that other
-  nodes in the cluster can resolve them to get an externally visible IP address.
+* In some environments, Stream replicas advertised IP addresses that could not be reached by cluster peers
+  (eg. IP addresses behind a NAT in a Docker deployment). RabbitMQ node hostnames are now advertised as well
+  so that other peers can resolve them to get an externally visible IP address.
 
    GitHub issue: [#53](https://github.com/rabbitmq/osiris/issues/53)