Update docs for setPillsLocale

[lrljoe]

All Submissions:

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

New Feature Submissions:

1. Does your submission pass tests and did you add any new tests needed for your feature?
2. Did you update all templates (if applicable)?
3. Did you add the relevant documentation (if applicable)?
4. Did you test locally to make sure your feature works as intended?

Changes to Core Features:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your core changes, as applicable?
• Have you successfully ran tests with your changes locally?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.34%. Comparing base (40485a0) to head (c8ff98f).
Report is 12 commits behind head on development.

Additional details and impacted files

@@                Coverage Diff                @@
##             development    #1800      +/-   ##
=================================================
+ Coverage          87.14%   87.34%   +0.20%     
- Complexity          1495     1518      +23     
=================================================
  Files                139      141       +2     
  Lines               3484     3548      +64     
=================================================
+ Hits                3036     3099      +63     
- Misses               448      449       +1     

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