4.0.4 release notes: typos

Author: michaelklishin

release-notes/4.0.4.md

@@ -193,15 +193,15 @@ Release notes can be found on GitHub at [rabbitmq-server/release-notes](https://
 
 #### Enhancements
 
- * The package now list Erlang 27.x as supported series.
+ * The package now lists Erlang 27.x as a supported series.
 
    GitHub issue: [#12603](https://github.com/rabbitmq/rabbitmq-server/issues/12603)
 
 ### RPM Package
 
 #### Enhancements
 
- * The package now list Erlang 27.x as supported series.
+ * The package now lists Erlang 27.x as a supported series.
 
    GitHub issue: [#12603](https://github.com/rabbitmq/rabbitmq-server/issues/12603)