Copyedits for style, security-jwt.adoc

[rolfedh]

This PR includes copy edits to enhance clarity, improve consistency, and align the content with style guidelines for a better reader experience.

[quarkus-bot[bot]]

Thanks for your pull request!

Your pull request does not follow our editorial rules. Could you have a look?

• title should preferably start with an uppercase character (if it makes sense!)

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[github-actions[bot]]

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[quarkus-bot[bot]]

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Status for workflow Quarkus Documentation CI

This is the status report for running Quarkus Documentation CI on commit a3723acf5a22a800a0f551cda5a219210d0ab1d3.

: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.

[quarkus-bot[bot]]

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:waning_crescent_moon: This workflow status is outdated as a new workflow run has been triggered.

Status for workflow Quarkus Documentation CI

This is the status report for running Quarkus Documentation CI on commit 6049b9c6d3f641b4ffe9d62087380fb6bc4ad243.

: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.

[quarkus-bot[bot]]

Status for workflow Quarkus Documentation CI

This is the status report for running Quarkus Documentation CI on commit ea3f56ae23224835f664dbd2cc509f751c1564db.

: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.