Ed Barnard enhanced access control policy documentation for the bluesky/tiled repository, focusing on improving clarity and usability for developers integrating secure policies. He introduced a new path_parts argument and additional filter options to the PASSAccessPolicy example, ensuring the documentation accurately reflected implementation details. Using Python and Markdown, Ed updated the changelog and resolved discrepancies between documentation and code, referencing specific commits for traceability. His work streamlined onboarding and reduced the risk of misconfiguration by providing clearer guidance on policy usage. The depth of these documentation improvements contributed to a more maintainable codebase and lowered ongoing support requirements for the project.