Some readme suggestions

[jesusvazquez]

I was reading through the entire README and found some small typos. Hope this helps 👍

[slok]

Awesome! many thanks!

[codecov-commenter]

Codecov Report

Merging #91 (213d02f) into main (2e8ddbc) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #91   +/-   ##
=======================================
  Coverage   80.24%   80.24%           
=======================================
  Files          15       15           
  Lines         815      815           
=======================================
  Hits          654      654           
  Misses        114      114           
  Partials       47       47           

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