During February 2026, Yello Lee contributed to the apache/kafka repository by enhancing documentation clarity through targeted corrections of typos in code comments. Focusing on Java code, Yello collaborated with PoAn Yang and other co-authors to align changes with issue #21534, ensuring that all updates maintained the original functionality while improving readability and professionalism. The work involved careful code review and attention to detail, resulting in more maintainable documentation that supports easier onboarding for new contributors. By refining comment quality across multiple files, Yello helped reduce potential confusion, demonstrating a methodical approach to documentation and collaborative development practices.