Update rn-vendor-platform.md

Author: paigecalvert

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

@@ -15,7 +15,7 @@ This topic contains release notes for the Replicated Vendor Platform, which incl
 Released on June 13, 2025
 
 ### New Features {#new-features-v2025-06-13-4}
-* Availability of initial set of vendor api routes for managing various aspects of the enterprise portal.
+* Adds initial set of Vendor API routes for managing various aspects of the Enterprise Portal. For more information, see [enterprisePortal](https://replicated-vendor-api.readme.io/reference/createinstalloptions) in the Vendor API v3 documentation.
 
 ## v2025.05.29-3