Washington Luiz dos Santos Filho contributed to the verg1lio/XangoER repository by enhancing project documentation to improve attribution governance. He updated the digitaltwin_dynamics.py file using Python, focusing on code documentation practices to ensure proper credit was given within the codebase. This targeted change addressed maintainability and compliance by making author contributions more transparent and traceable. Although no major bugs were fixed during this period, his work emphasized the importance of auditability and onboarding for future developers. The update was delivered as a single, traceable commit, reflecting a methodical approach to documentation alignment and reinforcing best practices in Python development workflows.