Edwin focused on improving the documentation quality for the hacks-guide/Guide_Wii repository, addressing navigation issues caused by broken internal links related to the Korean Kii/Error 003 sections. He identified and resolved these link errors using Markdown, ensuring that all references pointed to the correct documentation pages. The fix was consolidated into a single, traceable commit, which enhanced the accuracy and navigability of the guide. Edwin’s work in technical writing and documentation not only restored seamless navigation for readers but also reduced potential support queries. The depth of his contribution lay in careful attention to detail and reproducibility within the documentation workflow.