Fix minor typo in JestPlatform.md

[greglockwood]

Summary

There is an incorrect use of "where" when "were" was meant on the JestPlatform.md page.

Test plan

It's such a minor change, I don't have one.

[facebook-github-bot]

Hi greglockwood! Thank you for your pull request. We require contributors to sign our Contributor License Agreement, and yours needs attention.

You currently have a record in our system, but we do not have a signature on file.In order for us to review and merge your code, please sign at https://code.facebook.com/cla. If you are contributing on behalf of someone else (eg your employer), the individual CLA may not be sufficient and your employer may need to sign the corporate CLA.

If you have received this in error or have any questions, please contact us at cla@fb.com. Thanks!

[codecov-io]

Codecov Report

Merging #9122 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #9122   +/-   ##
=======================================
  Coverage   64.73%   64.73%           
=======================================
  Files         277      277           
  Lines       11709    11709           
  Branches     2875     2875           
=======================================
  Hits         7580     7580           
  Misses       3512     3512           
  Partials      617      617

---

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 9a9dbf2...bce7e4e. Read the comment docs.

[facebook-github-bot]

Thank you for signing our Contributor License Agreement. We can now accept your code for this (and any) Facebook open source project. Thanks!

[SimenB]

Thanks! Could you update the versioned docs as well?

[SimenB]

ping @greglockwood 🙂

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.
Please note this issue tracker is not a help forum. We recommend using StackOverflow or our discord channel for questions.