✨ fix some typos

[qingwave]

What does this do, and why do we need it?
Just fix some typos

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[k8s-ci-robot]

Hi @qingwave. Thanks for your PR.

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[FillZpp]

/ok-to-test
/lgtm
Thanks!

[alvaroaleman]

/lgtm
/approve
thanks!

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alvaroaleman, qingwave

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[FillZpp]

/retest