Update variable naming in md files

[sahanHe]

Description

$subject
Fixes # (issue)

Related Pull Requests (remove if not relevant)

• Pull request 1
• Pull request 2

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• One line describing the feature/improvement/fix made by this PR

Type of change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6566931) 74.10% compared to head (e0079e0) 74.10%.
Report is 14 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #321   +/-   ##
=======================================
  Coverage   74.10%   74.10%           
=======================================
  Files          14       14           
  Lines        1170     1170           
  Branches      702      702           
=======================================
  Hits          867      867           
  Misses        303      303           

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