Update RELEASE.md

Co-authored-by: Bryce Palmer <everettraven@gmail.com>

RELEASE.md

@@ -55,7 +55,7 @@ As a workaround we can release from locally by:
 
 1. Download google container builder: https://github.com/GoogleCloudPlatform/cloud-build-local
 2. Verify that you can use the cloud-build-local CLI tool
-3. Ensure that you are locally in the branch created for the release
+3. Ensure that you are locally in the branch created for the release (`release-<MAJOR.MINOR>`)
 4. Ensure that it has no changes in the code source ( `git status`)
 5. Create the directory `cloudbuild` (`mkdir cloudbuild`)
 6. Then, update the file `build/cloudbuild_local.yaml` with: