Zhong Lunfu focused on improving documentation quality in open source Scala projects, specifically addressing accuracy and onboarding challenges. In the scala/scala3 repository, Zhong corrected a broken link and resolved grammar issues in core type system documentation, using AsciiDoc and Markdown to ensure clarity and reduce user confusion. Later, in the com-lihaoyi/mill repository, Zhong fixed typographical errors in documentation titles, reinforcing trust and reliability for new users. While the scope of changes was limited to two bug fixes over two months, Zhong’s attention to detail and commitment to documentation hygiene contributed to more maintainable and accessible technical resources for developers.