Andrey Pfau contributed to the ton-community/ton-docs repository by updating the TON Persistent States documentation to reflect the year 2025 and expanding the table of long-term persistent states for TON blockchain nodes. He focused on improving the accuracy and maintainability of the documentation, ensuring that new and existing developers could onboard more efficiently. Using Markdown as the primary language and leveraging his documentation skills, Andrey made targeted changes in persistent-states.md, linking his work to PR #971. The update addressed evolving requirements for TON node state tracking, providing clearer guidance and up-to-date references for the TON docs team and broader developer community.