Yann Mermoud contributed to the heig-vd-dai-course repository by enhancing project documentation, specifically updating the README to include a new contributor. Using Markdown, Yann focused on improving the visibility of contributor records, which supports clearer onboarding and collaboration for future developers. The work centered on documentation hygiene, ensuring that contributor information remains accurate and accessible. No major bugs were addressed during this period, and the primary technical skill applied was effective documentation management. The depth of work was limited to a single feature update, reflecting a targeted but narrow scope focused on maintaining and improving project transparency through documentation practices.