docs: fix wrong comma

[orzyyyy]

This is a ...

• Typo fix for changelog

[codecov]

Codecov Report

Merging #14717 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #14717   +/-   ##
=======================================
  Coverage      95%      95%           
=======================================
  Files          15       15           
  Lines          20       20           
  Branches        5        5           
=======================================
  Hits           19       19           
  Misses          1        1

---

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[codecov]

Codecov Report

Merging #14717 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #14717   +/-   ##
=======================================
  Coverage      95%      95%           
=======================================
  Files          15       15           
  Lines          20       20           
  Branches        5        5           
=======================================
  Hits           19       19           
  Misses          1        1

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4e270b7...6b3f814. Read the comment docs.

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[orzyyyy]

terser/terser#254