Mathieu Guarino enhanced the SEKOIA-IO/documentation repository by delivering a series of targeted documentation improvements over three months. He focused on refining technical content related to forwarder logs, Sekoia Operating Language usage, data retention, and password management, ensuring alignment with governance standards and improving navigation through MkDocs configuration updates. Using Markdown and YAML, Mathieu clarified asset management processes, corrected API documentation, and improved consistency and readability across user-facing docs. His work emphasized accuracy and clarity, reducing potential user confusion and support inquiries. The depth of his contributions demonstrated strong technical writing and documentation skills, with careful attention to detail throughout.