Three builders.

releasing/README.md

@@ -70,8 +70,19 @@ require sigs.k8s.io/kustomize/v4 v4.0.1
 
 #### Release artifacts
 
-Source code tar balls and zip files (no executables)
-appear on the [release page].
+Release notes should appear on the [release page].
+
+[release notes generator]: https://github.com/kubernetes-sigs/controller-runtime/blob/master/hack/release/release-notes.sh
+
+> TODO: install a decent library [release notes generator].
+> Until then, just run something like
+> ```
+> git log --pretty="%h - %s (%aN)" v3.1.0..v3.2.0
+> ```
+> and summarize the results via the [release page] UX.
+
+There's no binary, just a repo tag in the form `v4.3.2`
+that others can `require` from their `go.mod` files.
 
 ### sigs.k8s.io/kustomize/pluginator
 
@@ -190,7 +201,7 @@ fi
 Install [`cloud-build-local`], then run
 
 ```
-./releasing/localbuild.sh
+./releasing/localbuild.sh (kustomize|pluginator)
 ```
 
 This should create release artifacts in a local directory.