docs: improve description of some flags

[miparnisari]

Pre-requisite: #2688

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.49%. Comparing base (20d236c) to head (735c34d).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2692      +/-   ##
==========================================
- Coverage   77.50%   77.49%   -0.01%     
==========================================
  Files         467      467              
  Lines       49237    49232       -5     
==========================================
- Hits        38155    38145      -10     
- Misses       8258     8262       +4     
- Partials     2824     2825       +1     

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[tstirrat15]

See comments

[tstirrat15]

LGTM