Over a two-month period, contributed to both the remix-run/react-router and axios/axios repositories by focusing on documentation accuracy and type safety. In react-router, improved the UseLocation hook documentation by correcting reference links and updating contributor acknowledgements, ensuring clearer guidance for developers. For axios, refactored TypeScript type definitions to consolidate HTTP method and response encoding literals using utility types, which reduced duplication and simplified the public API. These changes, implemented with TypeScript, Markdown, and YAML, enhanced maintainability and readability while supporting easier onboarding. The work demonstrated attention to detail in both documentation and code quality, addressing targeted improvements with precision.