chore: fix errors in comments / functions

[Fallengirl]

Fixes #???

PR Checklist

• Tests
• Documentation
• Added entry to CHANGELOG.md
• Tried the feature on a public network

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.41%. Comparing base (e11cf92) to head (90ca670).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1330   +/-   ##
=======================================
  Coverage   89.41%   89.41%           
=======================================
  Files          81       81           
  Lines        3496     3496           
=======================================
  Hits         3126     3126           
  Misses        370      370           

Files with missing lines	Coverage Δ
packages/merkle_tree/src/merkle_proof.cairo	100.00% <ø> (ø)

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[ericnordelo]

LGTM!