modify comment error

[TonyZZhang]

modify comment error

[google-cla[bot]]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[google-oss-prow[bot]]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Once this PR has been reviewed and has the lgtm label, please assign jeffwan for approval. For more information see the Kubernetes Code Review Process.

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[TonyZZhang]

ok, I will approve CLA.

[tenzen-y]

/assign @terrytangyuan

[tenzen-y]

@terrytangyuan friendly ping :)