Fix a few typos, etc. in the documentation

[mulhod]

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (dddaa4e) 95.30% compared to head (2e82fb0) 95.30%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #712   +/-   ##
=======================================
  Coverage   95.30%   95.30%           
=======================================
  Files          29       29           
  Lines        3576     3576           
=======================================
  Hits         3408     3408           
  Misses        168      168           

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Do you have feedback about the report comment? Let us know in this issue.