Fix minor typos

[lc0]

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Codecov Report

Merging #122 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #122   +/-   ##
=======================================
  Coverage   89.06%   89.06%           
=======================================
  Files          33       33           
  Lines        3156     3156           
  Branches      511      511           
=======================================
  Hits         2811     2811           
  Misses        251      251           
  Partials       94       94

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[lc0]

cc @cweill as this is rather tiny change

[cweill]

@lc0 Thanks for the change. We'll merge it in.