Modify hook docs for clarity on displaying hook execution results

[allenxu404]

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Does your change fix a particular issue?

Fixes #7154

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• Accepted the DCO. Commits without the DCO will delay acceptance.
• Created a changelog file or added /kind changelog-not-required as a comment on this pull request.
• Updated the corresponding documentation in site/content/docs/main.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.42%. Comparing base (dcf760d) to head (1641af1).
Report is 12 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7679      +/-   ##
==========================================
- Coverage   61.76%   58.42%   -3.34%     
==========================================
  Files         276      343      +67     
  Lines       24716    28394    +3678     
==========================================
+ Hits        15265    16590    +1325     
- Misses       8098    10387    +2289     
- Partials     1353     1417      +64     

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