Grammar corrections for en-us

[msscsh]

Fixing some grammar issues i found in the Qute documentation.

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🎊 PR Preview 1393d6451e9315900f477b93f3feb21a751ee619 has been successfully built and deployed to https://quarkus-pr-main-44563-preview.surge.sh/version/main/guides/

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Status for workflow Quarkus Documentation CI

This is the status report for running Quarkus Documentation CI on commit 5b1532845ec0a1be4ae1c09e55b8040d218b8afb.

:white_check_mark: The latest workflow run for the pull request has completed successfully.

It should be safe to merge provided you have a look at the other checks in the summary.