Feedback update for v2 actions description in 7.22 release notes

Author: rrelledge

content/operate/rs/release-notes/rs-7-22-releases/rs-7-22-0-28.md

@@ -59,7 +59,7 @@ This version offers:
 
 - Added `secondary_rack_id` to bootstrap and node configuration to support [two-dimensional rack awareness]({{<relref "/operate/rs/clusters/configure/rack-zone-awareness#set-up-two-dimensional-rack-zone-awareness">}}).
 
-- A new version of the [actions API]({{<relref "/operate/rs/references/rest-api/requests/actions">}}) is available at `GET /v2/actions`.
+- A new version of the [actions API]({{<relref "/operate/rs/references/rest-api/requests/actions">}}), which adds progress tracking to all background actions, is available at `GET /v2/actions`.
 
 ### Enhancements