[issue44249] Readme typo fix

[Terry J. Reedy]

New submission from Terry J. Reedy <tjreedy at udel.edu>:


New changeset acac6c71ff370413374c6aca1df808c426e8a30c by Ayush Parikh in branch 'main':
bpo-44249: Fix 3 README.rst typos (GH-26385)
https://github.com/python/cpython/commit/acac6c71ff370413374c6aca1df808c426e8a30c


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nosy: +terry.reedy

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44249>
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