Clean docs

[pitmonticone]

Fixed typos.

[codecov]

Codecov Report

Merging #460 (327c296) into master (ce7923f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #460   +/-   ##
=======================================
  Coverage   93.16%   93.16%           
=======================================
  Files          52       52           
  Lines        1259     1259           
=======================================
  Hits         1173     1173           
  Misses         86       86           

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[theogf]

Thanks!