Update README.md: fix typo

[radiobenzene]

update: fix typo

[github-actions]

MLCommons CLA bot:
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❌ @radiobenzene
_{You can retrigger this bot by commenting recheck in this Pull Request}

[radiobenzene]

recheck

[mkuchnik]

Thanks!

[marcenacp]

@radiobenzene Can you sign the CLA so we can merge? Alternatively, I can open a PR with the fix

[radiobenzene]

Signed