Cleanup plural forms

[zakkudo]

No description provided.

[codecov-io]

Codecov Report

Merging #7 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master     #7   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          12     12           
  Lines         467    467           
  Branches       79     79           
=====================================
  Hits          467    467

Impacted Files	Coverage Δ
src/index.js	100% <100%> (ø)	⬆️

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[coveralls]

Pull Request Test Coverage Report for Build 236

• 2 of 2 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 228:	0.0%
Covered Lines:	467
Relevant Lines:	467

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💛 - Coveralls