nit

Author: nvanthao

docs/release-notes/rn-app-manager.md

@@ -44,7 +44,7 @@ Support for Kubernetes: 1.29, 1.30, and 1.31
 
 ### New Features {#new-features-1-122-0}
 * Adds support for [orLabelSelectors](https://docs.replicated.com/reference/custom-resource-backup#fields) to the velero.io/v1 Backup resource for [Full Snapshots](https://docs.replicated.com/vendor/snapshots-overview).
-* Adds support for kots.io/keep annotation to prevent KOTS from deleting resources that vendors intend to adopt into Helm charts.
+* Adds support for `kots.io/keep` annotation to prevent KOTS from deleting resources that vendors intend to adopt into Helm charts.
 
 ## 1.121.2