Worked on refining the Vitality article within the mamezou-tech-site repository, focusing on enhancing content clarity by removing extraneous anecdotal material. Applied content editing and technical writing skills to streamline the article, resulting in a more focused and readable piece. Utilized Markdown for content structuring and Git for version control, ensuring that all changes were traceable through a single, well-documented commit. The approach emphasized repository hygiene and editorial discipline, with no major bugs reported during the period. This work improved the maintainability and quality of the article, supporting a cleaner content base for future updates and editorial processes.