Fix typos

[102]

What:

Fix a bunch of typos in documentation

Checklist:

• Documentation updated
• Ready to be merged
  
• Added myself to contributors table
  

[codecov]

Codecov Report

Merging #378 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #378   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            4         4           
  Lines           94        94           
  Branches        15        15           
=========================================
  Hits            94        94           

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[mpeyper]

Thanks :)