fix: typo in comments

[luckymrwang]

Fixes #

Proposed Changes

Release Note

NONE

[knative-prow]

Welcome @luckymrwang! It looks like this is your first PR to knative/serving 🎉

[knative-prow]

Hi @luckymrwang. Thanks for your PR.

I'm waiting for a knative 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.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[nak3]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gabo1208, luckymrwang, nak3

The full list of commands accepted by this bot can be found here.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (946643c) 86.00% compared to head (4bb3986) 86.04%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14617      +/-   ##
==========================================
+ Coverage   86.00%   86.04%   +0.03%     
==========================================
  Files         197      197              
  Lines       14916    14922       +6     
==========================================
+ Hits        12828    12839      +11     
+ Misses       1778     1774       -4     
+ Partials      310      309       -1     

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[ReToCode]

/retest

[ReToCode]

/retest