Docs fix spelling issues

[nnsW3]

Hello I fixed several minor spelling issues.

[cla-bot[bot]]

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[IceTDrinker]

Hello @nnsW3

thanks for the contribution, as you can see we need you to sign a CLA before we can move ahead with your PR 🙂

[nnsW3]

Hello @nnsW3

thanks for the contribution, as you can see we need you to sign a CLA before we can move ahead with your PR 🙂

done

[aquint-zama]

@cla-bot check

[cla-bot[bot]]

The cla-bot has been summoned, and re-checked this pull request!

[IceTDrinker]

Hello @nnsW3 could you please create a single commit and respect our commit format please ?

check our main branch for examples of format, this would be a chore commit.

the regex for the first line is pattern: '^((feat|fix|chore|refactor|style|test|docs|doc)(\([\w\-_]+\))?\!?\:) .+$'

[IceTDrinker]

@nnsW3 open https://github.com/zama-ai/tfhe-rs/pull/1703 instead with you as co-author in the commit cheers