Update service-insight.md to fix helm parameter typo

[aknot242]

Addresses #3653

Proposed changes

Describe the use case and detail of the change. If this PR addresses an issue on GitHub, make sure to include a link to that issue here in this description (not in the title of the PR).

Checklist

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• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[codecov-commenter]

Codecov Report

Merging #3654 (3421552) into main (0770b96) will increase coverage by 0.02%.
The diff coverage is n/a.

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@@            Coverage Diff             @@
##             main    #3654      +/-   ##
==========================================
+ Coverage   52.21%   52.23%   +0.02%     
==========================================
  Files          59       59              
  Lines       16877    16877              
==========================================
+ Hits         8812     8816       +4     
+ Misses       7768     7766       -2     
+ Partials      297      295       -2     

see 1 file with indirect coverage changes

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[ciarams87]

Thanks @aknot242!