Automatic merge from submit-queue
fix typo in `kubectl proxy` command line help
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**What this PR does / why we need it**: improves docs
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: none
**Special notes for your reviewer**: doc only
**Release note**:
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```release-note
```
(docs only) fixed port from 8011 to 8001 (the default) because in that particular line no specific port is specified and thus the default is going to be used.
b312b34d53