Fixed typo and punctuation

[chrishobcroft]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.62%. Comparing base (2ed0cc3) to head (e85d67d).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #96   +/-   ##
=======================================
  Coverage   89.62%   89.62%           
=======================================
  Files           3        3           
  Lines         810      810           
=======================================
  Hits          726      726           
  Misses         46       46           
  Partials       38       38           

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