Backport of Minor doc grammar update into release/1.11.x

[hc-github-team-secure-vault-core]

Backport

This PR is auto-generated from #17032 to be assessed for backporting due to the inclusion of the label backport/1.11.x.

The below text is copied from the body of the original PR.

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Update to clarify present perfect tense.

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Overview of commits

• 7f22056686b5a8e71c66e73eeaab4403809b791c