Sorawee Porncharoenwase contributed to the racket/racket repository by focusing on stability and clarity in macro development and documentation. Over two months, Sorawee enhanced error handling for the Contract-in macro, validating module paths and providing clearer error messages to reduce user confusion and ambiguous failures. This work, implemented in Racket with an emphasis on language design and macro development, improved the robustness of macro usage. Additionally, Sorawee refined the project’s documentation by removing redundant sections and resolving rendering issues, consolidating content for better maintainability. The changes supported both end users and contributors, reflecting careful attention to technical writing and documentation quality.