Pin focused on enhancing access control documentation within the risingwavelabs/risingwave-docs repository, delivering a clarified and expanded guide to privilege management. By revising Markdown-based documentation, Pin improved the accuracy of privilege descriptions, clarified the scope of the CREATE privilege, and added detailed examples for sink privileges. This targeted update addressed specific user confusion and reduced ambiguity, directly responding to issue #240. Pin’s work emphasized clear, actionable guidance for users, leveraging strong documentation skills and attention to detail. The improvements aimed to lower support overhead by making privilege commands and their effects more transparent for both new and experienced users.