Revise support guidelines and maintenance status

Updated support documentation to clarify issue filing and project maintenance status.

Author: cehfisher

SUPPORT.md

@@ -1,19 +1,21 @@
 # Support
 
-## How to file issues and get help
+## How to get help
 
-This project uses GitHub Issues to track bugs and feature requests. Please search the existing issues before filing new issues to avoid duplicates. For new issues, file your bug or feature request as a new issue.
+This project uses GitHub Issues to track bugs, feature requests, and support inquiries. Please search the existing issues before filing new issues to avoid duplicates.
 
 For help or questions about using this project, please open an issue for support requests, usage questions, or general inquiries. At this time, GitHub Discussions are not enabled. All communication should occur via issues.
 
-## Project Maintenance Status
+For information about contributing to this project, including how to create issues and what types of contributions we accept, please refer to the [CONTRIBUTING](./CONTRIBUTING.md) file.
+
+## Project maintenance status
 
 This repo `github/accessibility-scanner` is under active development and maintained by GitHub staff during the public preview state. We will do our best to respond to support, feature requests, and community questions in a timely manner.
 
-## Important Notice
+## Important notice
 
-This project is a work in progress, and we do not guarantee that code fixes or suggestions produced by Copilot will be fully accessible. Please use caution when applying the suggestions it provides. Always confirm or verify Copilot's recommendations with an accessibility subject matter expert before using them in production.
+The a11y scanner is currently in public preview and feature development work is still ongoing. This project cannot guarantee that code fixes or suggestions produced by GitHub Copilot will be fully accessible. Please use caution when applying the suggestions it provides. Always confirm or verify GitHub Copilot's recommendations with an accessibility subject matter expert before using them in production.
 
-## GitHub Support Policy
+## GitHub support policy
 
 Support for this project is limited to the resources listed above (GitHub Issues).