Worked on the cs-pub-ro/operating-systems repository to enhance the reliability and clarity of educational materials, specifically focusing on TLS synchronization drills. Addressed a rendering bug in Markdown files that impacted the accuracy and readability of drill questions, ensuring that content displayed correctly for learners. The technical approach centered on precise documentation updates and careful content revision, with an emphasis on maintainability and traceability of changes. Utilized Markdown for content formatting and applied skills in documentation and educational content creation. No new features were introduced during this period, as efforts were dedicated to stabilizing and improving the existing learning suite.