Fix wrong amount of micro/milliseconds

[nmlt]

This is just a documentation change, so should be semver compatible.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.59%. Comparing base (361b9fc) to head (2e1c592).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1703      +/-   ##
==========================================
- Coverage   90.61%   90.59%   -0.02%     
==========================================
  Files          38       38              
  Lines       16945    16028     -917     
==========================================
- Hits        15354    14520     -834     
+ Misses       1591     1508      -83     

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[djc]

Thanks!