Sofie Van Landeghem focused on enhancing the clarity and usability of the karpathy/nanochat repository by improving its documentation. She applied her skills in code refactoring, scripting, and Markdown to revise the README.md and Python scripts, addressing typos and improving readability without altering any code functionality. Her work aimed to streamline onboarding for new contributors and reduce confusion for users by providing clearer guidance and consistent documentation standards. Although no functional features or bug fixes were introduced during this period, her contributions established a stronger foundation for future development and smoother maintainer handoffs, reflecting a thoughtful approach to project sustainability.