Arnav contributed to the advanced-computing/course-materials repository by developing student-facing documentation enhancements focused on profile and attendance tracking. He created a dedicated Markdown profile containing personal and academic details, including a profile image reference, and updated personal information to reflect user preferences. To improve onboarding and data visibility, Arnav appended attendance records with image evidence directly to lab materials, ensuring clear traceability for future maintenance. His work emphasized structured commit practices and maintainability, leveraging skills in documentation and Markdown. While the scope was limited to a single feature over one month, the updates addressed practical needs in course material personalization and record-keeping.