Update rn-vendor-platform.md

Author: alicenstar

docs/release-notes/rn-vendor-platform.md

@@ -14,9 +14,9 @@ This topic contains release notes for the Replicated Vendor Platform, which incl
 
 Released on October 17, 2024
 
-### New Features {#new-features-v2024-10-17-1}
+### Improvements {#improvements-v2024-10-17-1}
 * Makes the wording and styling consistent on the Helm and Embedded Cluster install instructions modals.
-* Present to users a modal to update their github username when creating support cases or feature requests.
+* Presents users a new step to update their GitHub username when creating support cases or feature requests.
 
 ## v2024.10.01-0