docs(route53): Fix headings list and minor doc fixes

[frankpengau]

Reason for this change

Fix hideous headings list in route53

Description of changes

Move text from h3 to block quotes.

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

The pull request linter has failed. See the aws-cdk-automation comment below for failure reasons. If you believe this pull request should receive an exemption, please comment and provide a justification.

A comment requesting an exemption should contain the text Exemption Request. Additionally, if clarification is needed add Clarification Request to a comment.

[frankpengau]

Clarification Request

[frankpengau]

Doc generation stripped the @ symbol text.

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 66e360a
• Result: FAILED
• Build Logs (available for 30 days)

Powered by github-codebuild-logs, available on the AWS Serverless Application Repository

[frankpengau]

Exemption Request

[aws-cdk-automation]

The pull request linter fails with the following errors:

❌ The first word of the pull request title should not be capitalized. If the title starts with a CDK construct, it should be in backticks "``".

PRs must pass status checks before we can provide a meaningful review.

If you would like to request an exemption from the status checks or clarification on feedback, please leave a comment on this PR containing Exemption Request and/or Clarification Request.

✅ A exemption request has been requested. Please wait for a maintainer's review.

[frankpengau]

No reviewer appetite. Will close PR.

[github-actions]

Comments on closed issues and PRs are hard for our team to see.
If you need help, please open a new issue that references this one.