Fix typos

[jwilk]

No description provided.

[codecov-io]

Codecov Report

Merging #13 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #13   +/-   ##
=======================================
  Coverage   95.74%   95.74%           
=======================================
  Files           1        1           
  Lines         329      329           
  Branches       69       69           
=======================================
  Hits          315      315           
  Misses          7        7           
  Partials        7        7

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[coveralls]

Coverage remained the same at 97.872% when pulling d92a56e on jwilk-forks:spelling into 8171fa7 on xtaran:master.

[xtaran]

Thanks!