Arnaud Lefebvre contributed targeted documentation improvements to the CleverCloud/documentation repository, focusing on enhancing clarity and consistency for developer onboarding. He addressed heading capitalization in the reference-environment-variables.md file, aligning the documentation with established standards and reducing potential confusion for downstream teams. Using Markdown and leveraging his documentation skills, Arnaud implemented the change through a single, well-scoped Git commit, ensuring precise traceability and facilitating easier audits and reviews. While the scope of work was narrow, the update improved the accuracy of environment variable references, supporting faster onboarding and reducing support queries for developers interacting with CleverCloud’s documentation resources.