Sam contributed to the civo/kubernetes-marketplace repository by developing a comprehensive PostgreSQL uninstallation guide aimed at improving user experience and administrative efficiency. The work focused on enhancing documentation quality using Markdown, providing users with explicit, step-by-step instructions to clone the repository, navigate to the appropriate directory, and execute the necessary kubectl delete commands. By clarifying the end-to-end removal workflow, Sam reduced the likelihood of user errors during uninstallation and ensured consistency across the documentation. The contribution demonstrated attention to detail in technical writing and a clear understanding of Kubernetes operations, though the scope was limited to documentation rather than code or bug fixes.