[Backport to release/10.7] Add punctuation to the visibility settings notice

[woocommercebot]

This PR is a cherry-pick of #63866 to release/10.7.

Original PR Description

This is a punctuation fix and doesn't need a detailed PR description.

[github-actions]

Testing Guidelines

Hi @elazzabi ,

Apart from reviewing the code changes, please make sure to review the testing instructions (Guide) and verify that relevant tests (E2E, Unit, Integration, etc.) have been added or updated as needed.

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[github-actions]

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