Koko contributed to the meshtastic/firmware repository by addressing a critical codebase hygiene issue in February 2026. Focusing on embedded systems and C++ programming, Koko identified and corrected a filename typo for the BLEDfuSecure module on the NRF52 platform, ensuring all code and documentation references were updated for consistency. This targeted fix reduced the risk of build and documentation drift, supporting maintainability and smoother onboarding for new contributors. The work demonstrated careful attention to platform stability, as the change introduced no functional regressions. Koko’s approach reflected a strong understanding of collaborative development and adherence to established contribution standards.