correct typo in code comments

[wzhanw]

Changes

Correct two typos in the code comments.

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Release Notes

[tekton-robot]

Hi @wzhanw. Thanks for your PR.

I'm waiting for a tektoncd member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[vdemeester]

/ok-to-test

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: vdemeester

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[sm43]

/lgtm

[sm43]

/thankyou

[sm43]

/retest

[sm43]

@wzhanw EasyCLA seems stuck 😅 Could you try re-pushing so that it will be triggered again?

[wzhanw]

@sm43 I found that and I repushed the commits. please check. Thank you

[pradeepitm12]

/lgtm