Worked on the racket/racket repository to improve documentation reliability and macro stability over a two-month period. Focused on Racket macro development and documentation, addressing two critical bugs rather than adding new features. Corrected a parsing error in the mycond* macro pattern matching, which enhanced the reliability of documentation-driven code and reduced maintenance risks for macro-based features. Additionally, resolved an import issue in the Unit Scribble Example by adding a missing require statement, ensuring that documentation examples execute correctly. Leveraged skills in Racket and macro development to deliver targeted fixes that improved onboarding and reduced support overhead for contributors.