chore: minor improvement for docs

[spuradage]

Thanks for contributing to chrono!

minor improvement for docs

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.90%. Comparing base (8c82711) to head (0d63c11).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1756   +/-   ##
=======================================
  Coverage   90.90%   90.90%           
=======================================
  Files          39       39           
  Lines       16262    16262           
=======================================
  Hits        14783    14783           
  Misses       1479     1479           

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[djc]

Thanks!