Andrew Kurg worked on documentation improvements for the Blargian/ClickHouse repository, focusing on enhancing clarity and maintainability for system tables and projection parts. He standardized slug naming conventions and file names using Markdown, ensuring consistency and easier navigation for users. Andrew also addressed internal reference errors and fixed typos, which reduced onboarding friction and support queries. In response to Cloudflare-related issues, he reverted a problematic slug change in error_log.md, prioritizing documentation stability and risk reduction. His work demonstrated attention to detail in documentation hygiene, leveraging skills in Markdown and documentation best practices to deliver targeted, low-risk improvements over two months.