[Fix] Tokenbridge.sol comment typos

[kyzooghost]

This PR implements issue(s) #707

Checklist

• I wrote new tests for my new core changes.
• I have successfully ran tests, style checker and build against my new changes locally.
• I have informed the team of any breaking changes if there are any.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.37%. Comparing base (d716763) to head (029e399).

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #729   +/-   ##
=========================================
  Coverage     68.37%   68.37%           
  Complexity     1197     1197           
=========================================
  Files           326      326           
  Lines         13326    13326           
  Branches       1350     1350           
=========================================
  Hits           9111     9111           
  Misses         3658     3658           
  Partials        557      557           

Flag	Coverage Δ		*Carryforward flag
hardhat	98.52% <ø> (ø)
kotlin	66.05% <ø> (ø)		Carriedforward from d716763

*This pull request uses carry forward flags. Click here to find out more.

Files with missing lines	Coverage Δ
contracts/src/bridging/token/TokenBridge.sol	100.00% <ø> (ø)