Update README.md

[shaggygi]

Fixed wording

[CLAassistant]

All committers have signed the CLA.

[tocsoft]

Thanks for the fix, much appreciated

[codecov]

Codecov Report

Merging #1216 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1216   +/-   ##
=======================================
  Coverage   82.74%   82.74%           
=======================================
  Files         695      695           
  Lines       30252    30252           
  Branches     3429     3429           
=======================================
  Hits        25033    25033           
  Misses       4523     4523           
  Partials      696      696           

Flag	Coverage Δ
#unittests	82.74% <ø> (ø)

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