Glenn updated the self-hosted deployment documentation in the netbirdio/docs repository, focusing on aligning setup instructions with current Docker CLI best practices. He replaced deprecated 'docker-compose' commands with the modern 'docker compose' syntax, ensuring that users can reliably start services and check logs during NetBird self-hosted deployments. Working primarily with Markdown and leveraging his expertise in Docker and technical documentation, Glenn improved the clarity and maintainability of the onboarding process. This targeted update addressed potential user friction and reduced support needs, demonstrating a thoughtful approach to documentation quality and technical accuracy within the scope of a single feature enhancement.