Worked on improving code documentation and metric clarity in the Redis and ValKey open-source repositories, focusing on reducing ambiguity in performance monitoring. Addressed two documentation bugs by updating comments in C source files, specifically clarifying the behavior of STATS_METRIC_* macros and the LRU clock timing. These changes help developers better understand metric tracking and memory management, ensuring that monitoring tools interpret data correctly. The work involved careful analysis of existing code and documentation, applying C programming and system programming skills to enhance maintainability. By refining technical comments, the updates support more reliable performance analysis and ongoing software maintenance for both projects.