Chen Hegu focused on improving documentation quality for the luanfujun/diffusers repository, addressing a critical issue with broken links in both English and Korean guides related to dataset creation and Stable Diffusion XL pipeline usage. Using Markdown and leveraging strong documentation skills, Chen systematically validated and updated external resource references to ensure users could reliably access onboarding materials and technical guides. The work emphasized cross-locale consistency and reduced friction for new users navigating the project. While the contribution was limited to a single bug fix over one month, it demonstrated careful attention to multilingual documentation maintenance in a major open-source codebase.