Goulven Champenois contributed a targeted documentation update to the Scalingo/documentation repository, focusing on Ruby deployment guidance. He revised the MAX_THREADS default fallback from 5 to 3 to align with current Rails recommendations and clarified the interaction between WEB_CONCURRENCY and MAX_THREADS. Using Markdown and leveraging his documentation skills, Goulven provided clear explanations on how these parameters are set and overridden, directly addressing common misconfigurations. This work improved the accuracy of deployment instructions and reduced potential support issues for Ruby applications. The update demonstrated a thoughtful approach to technical writing, with careful attention to detail and practical developer onboarding needs.