Update docs/release/release-tasks.md

Co-authored-by: Furkat Gofurov <furkat.gofurov@suse.com>

docs/release/release-tasks.md

@@ -399,7 +399,7 @@ Someone with access to Netlify should:
 
 The goal of this task is to ensure the quickstart has links to the latest `clusterctl` binaries.
 
-Update clusterctl links in the quickstart (on main and cherry-pick onto release-1.4).
+Update clusterctl links in the quickstart (on main and cherry-pick onto release-1.6).
 <br>Prior art: [Update clusterctl version to v1.6.x in quick start](https://github.com/kubernetes-sigs/cluster-api/pull/9801)
 
 **Note**: The PR for this should be merged after the minor release has been published. Recommended to create it before