Minor doc fixes

[astrojuanlu]

This will likely fail until scipy/docs.scipy.org#60 is merged.

[codecov]

Codecov Report

Merging #1467 (4782d1b) into main (a1d8c24) will not change coverage.
The diff coverage is n/a.

❗ Current head 4782d1b differs from pull request most recent head b92f3d1. Consider uploading reports for the commit b92f3d1 to get more accurate results

@@           Coverage Diff           @@
##             main    #1467   +/-   ##
=======================================
  Coverage   91.83%   91.83%           
=======================================
  Files          97       97           
  Lines        4459     4459           
  Branches      426      426           
=======================================
  Hits         4095     4095           
  Misses        274      274           
  Partials       90       90           

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