docs: fix function names used in examples

[RebeccaStevens]

fix #227

PR Checklist

• Addresses an existing open issue: fixes 📝 Documentation: Examples using different names to the function itself #227
• That issue was marked as status: accepting prs
• Steps in CONTRIBUTING.md were taken

Overview

Fixes examples.

[codecov]

Codecov Report

Merging #228 (b55eb95) into main (a9b1528) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #228   +/-   ##
=======================================
  Coverage   46.40%   46.40%           
=======================================
  Files          20       20           
  Lines         459      459           
  Branches      180      180           
=======================================
  Hits          213      213           
  Misses        217      217           
  Partials       29       29           

Flag	Coverage Δ
4.3.5	?
4.6.4	46.18% <ø> (ø)
4.9.5	?
latest	46.18% <ø> (ø)

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

Impacted Files	Coverage Δ
src/comments.ts	34.78% <ø> (ø)
src/types/typeGuards/intrinsic.ts	85.71% <ø> (ø)
src/types/utilities.ts	45.71% <ø> (ø)

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[JoshuaKGoldberg]

oopsies