Rumble focused on improving documentation quality and user onboarding for open source projects, specifically contributing to the IceWhaleTech/ZimaOS and savonet/liquidsoap repositories. Over two months, Rumble addressed documentation bugs by correcting typographical and syntax errors in Markdown files, such as updating the README community link for ZimaOS and standardizing parameter formatting in icy_metadata.md for Liquidsoap. Using Markdown and documentation best practices, Rumble enhanced clarity and consistency, reducing potential user confusion and support overhead. The work did not involve feature development or code changes, but instead prioritized accurate communication and traceability to support maintainable, user-friendly project documentation.