fix typo Ask.swift

[mtfum]

[codecov-io]

Codecov Report

Merging #33 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #33   +/-   ##
=======================================
  Coverage   97.01%   97.01%           
=======================================
  Files          39       39           
  Lines        1543     1543           
=======================================
  Hits         1497     1497           
  Misses         46       46

Impacted Files	Coverage Δ
Source/Ask.swift	96.77% <ø> (ø)	:arrow_up:

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