During September 2025, Agustin Gregorio Apaza Silvestre focused on enhancing documentation quality and contributor governance in the rominagiselleayalamartinez-coder/Obsidian_prueba repository. He expanded the Calidad Total.md file by integrating Six Sigma and Total Quality Management concepts, adding leadership context, and attributing editorial contributions, all using Markdown and technical writing skills. Agustin also updated the README to reflect new contributors, supporting better project transparency. His disciplined approach involved structured, incremental commits, which improved traceability and facilitated onboarding for future collaborators. The work addressed compliance and maintainability, emphasizing depth in documentation rather than code changes or bug fixes during this period.