Adding missing "a" to sentence

[bkeiren]

Pull Request checklist

• Quality: This PR builds and tests run cleanly
  • Note:
    • For changes that need extra cross-platform testing, consider adding [ci full] to the PR title.
    • If this pull request includes a breaking change, consider cutting a new release after merging.
• Tests: This PR includes thorough tests or an explanation of why it does not
• Changelog: This PR includes a changelog entry in CHANGES_UNRELEASED.md or an explanation of why it does not need one
  • Any breaking changes to Swift or Kotlin binding APIs are noted explicitly
• Dependencies: This PR follows our dependency management guidelines
  • Any new dependencies are accompanied by a summary of the due dilligence applied in selecting them.

[codecov-commenter]

Codecov Report

Merging #4511 (85c6ef5) into main (2a71077) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #4511   +/-   ##
=======================================
  Coverage   75.61%   75.61%           
=======================================
  Files          47       47           
  Lines        4260     4260           
=======================================
  Hits         3221     3221           
  Misses       1039     1039           

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[mhammond]

Thanks!