During July 2025, Mathieu focused on enhancing the documentation for the medusajs/medusa repository, specifically targeting the Learn and Recipes sections. He systematically identified and corrected typos and grammatical inconsistencies, aligning the content with established style guidelines to improve clarity and reduce ambiguity for new users. Working primarily with Markdown and leveraging his documentation skills, Mathieu improved the readability and professionalism of user-facing materials. His contributions aimed to streamline the onboarding process and support developer experience by making core learning resources more accessible and accurate. The work was limited in scope but addressed essential quality improvements in technical documentation.