update the comments for the ensurePrivate flag

[bmeng]

What does this PR do? / Related Issues / Jira

doc update

Checklist

• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding change to the default configuration files
• I have added tests that prove my fix is effective or that my feature works
• I have tested the functionality against gcp / aws, it doesn't cause any regression
• I have added execution results to the PR's readme

Reviewer's Checklist

• (This needs to be done after technical review) I've run the branch on my local, verified that the functionality is ok

How to test this PR locally / Special Instructions

Logs

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 25.91%. Comparing base (97baeb6) to head (a6cc72d).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #278   +/-   ##
=======================================
  Coverage   25.91%   25.91%           
=======================================
  Files          25       25           
  Lines        1837     1837           
=======================================
  Hits          476      476           
  Misses       1333     1333           
  Partials       28       28           

Files with missing lines	Coverage Δ
pkg/probes/curl/curl_json.go	83.00% <ø> (ø)
pkg/verifier/aws/entry_point.go	0.00% <ø> (ø)

[openshift-ci]

@bmeng: all tests passed!

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[abyrne55]

/lgtm

Thanks so much for following up on this, @bmeng! Looks great ☺️

[openshift-ci]

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