[docs] [issue39136] Typos in whatsnew file and docs

Change by Roundup Robot <devnull@psf.upfronthosting.co.za>: ---------- keywords: +patch pull_requests: +17164 stage: -> patch review pull_request: https://github.com/python/cpython/pull/17720 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue39136> _______________________________________