typo

[KennyDizi]

fix typing

[codecov]

Codecov Report

Merging #12137 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #12137   +/-   ##
=======================================
  Coverage   96.32%   96.32%           
=======================================
  Files          95       95           
  Lines        9226     9226           
=======================================
  Hits         8887     8887           
  Misses        339      339           

Impacted Files	Coverage Δ
lib/model.js	96.60% <ø> (ø)

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