During December 2025, Zeki Xu focused on stabilizing and enhancing the documentation for the cartography-cncf/cartography repository, specifically targeting the Tailscale schema references. Zeki identified and resolved a navigation issue by fixing broken links in the Markdown documentation, removing erroneous leading slashes from HTTPS URLs to improve accessibility and user experience. The work emphasized technical writing and documentation skills, aligning updates with repository standards and established pull request workflows. Zeki demonstrated attention to detail and collaborative development practices through signed-off commits and coordination with co-authors. The contribution addressed a specific documentation bug, supporting smoother onboarding and discoverability for developers.