Fix disconnected API comment

[rastersize]

The comment didn’t render properly in Xcode (or technically other documentation viewers/renders as well).

[codecov]

Codecov Report

Merging #179 (4e22a90) into master (9919fa8) will not change coverage.
The diff coverage is n/a.

❗ Current head 4e22a90 differs from pull request most recent head 52966d6. Consider uploading reports for the commit 52966d6 to get more accurate results

@@           Coverage Diff           @@
##           master     #179   +/-   ##
=======================================
  Coverage   94.37%   94.37%           
=======================================
  Files          43       43           
  Lines        1279     1279           
=======================================
  Hits         1207     1207           
  Misses         72       72           

Flag	Coverage Δ
ios	94.37% <ø> (ø)
macspm	94.31% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
MobiusCore/Source/MobiusLoop.swift	100.00% <ø> (ø)

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