Update shallowWrapper text method

[imskrishnan]

Added some comments

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.31%. Comparing base (8c55734) to head (ff3a2bb).
⚠️ Report is 77 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2528   +/-   ##
=======================================
  Coverage   96.31%   96.31%           
=======================================
  Files          49       49           
  Lines        4207     4207           
  Branches     1130     1130           
=======================================
  Hits         4052     4052           
  Misses        155      155           

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