Fix typos and linguistic errors in documentation / hacktoberfest

[survivant]

Fix typos and linguistic errors in documentation. It's not much, but I'm happy to help

Which Issue(s) This PR Fixes

Fixes #issue_id

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 48.25%. Comparing base (1c83b11) to head (56e22fb).

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #9748      +/-   ##
=============================================
- Coverage      48.36%   48.25%   -0.12%     
+ Complexity     12204    12173      -31     
=============================================
  Files           1313     1313              
  Lines          93340    93340              
  Branches       11962    11962              
=============================================
- Hits           45148    45037     -111     
- Misses         42627    42716      +89     
- Partials        5565     5587      +22     

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