List either incubator or stable.

Signed-off-by: Bridget Kromhout <bridget@kromhout.org>
(cherry picked from commit 4a3ffd5)

cmd/helm/root.go

@@ -252,10 +252,12 @@ func checkForExpiredRepos(repofile string) {
 		if url := r.URL; strings.Contains(url, exp.old) {
 			fmt.Fprintf(
 				os.Stderr,
-				"WARNING: %q is deprecated for %q and will be deleted Nov. 13, 2020.\nWARNING: You should switch to %q\nWARNING: Switch via: helm repo add stable https://charts.helm.sh/stable --force-update",
+				"WARNING: %q is deprecated for %q and will be deleted Nov. 13, 2020.\nWARNING: You should switch to %q via:\nWARNING: helm repo add %q %q --force-update\n",
 				exp.old,
 				exp.name,
 				exp.new,
+				exp.name,
+				exp.new,
 			)
 		}
 	}