Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
clarifying CLI output
**What this PR does / why we need it**:
backporting documentation changes made to generated CLI documentation
so that the source is correct for updates to the documentation and
kubernetes website. This is part of what is needed to resolve
https://github.com/kubernetes/kubernetes.github.io/issues/5618
and is updated based on review feedback while fixing that bug at
https://github.com/kubernetes/kubernetes.github.io/pull/5824
**Which issue this PR fixes**
needed for full resolution of https://github.com/kubernetes/kubernetes.github.io/issues/5618, but will not fix it in itself due to generated documentation being stored as a separate process
**Special notes for your reviewer**:
Feedback on these changes originated from edits in the k8s docs repository and feedback to regenerated markdown to resolve them.
```release-note
NONE
```
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