Add minor release prefix for title polishing

docs/release/release-tasks.md

@@ -332,7 +332,7 @@ The goal of this task to make the book for the current release available under e
     7. Write highlights section based on the initial release notes doc.
     8. Add the Kubernetes version support section and pay close attention to set the correct versions here.
        <br>**Note**: Check our [Kubernetes support policy](https://cluster-api.sigs.k8s.io/reference/versions.html#supported-kubernetes-versions) in the CAPI book. In case of doubt, reach out to the current release lead.
-    9. Modify `Changes since v1.x.y` to `Changes since v1.x`
+    9. **For minor releases** Modify `Changes since v1.x.y` to `Changes since v1.x`
        <br>**Note**: The release notes tool includes all merges since the previous release branch was branched of.
 4. Iterate until the GA release by generating incremental release notes and modifying the release notes in hackmd accordingly:
    ```bash