Sebastian Fuchs contributed to the 4C-multiphysics/4C repository by enhancing code maintainability and documentation clarity over a two-month period. He standardized C++ code comments, removing author abbreviations to improve readability and streamline future code reviews, focusing on code refactoring and comment cleanup without altering core logic. In addition, Sebastian delivered comprehensive documentation updates using RST, clarifying particle discretization for DEM and SPH methods, detailing particle properties, and distinguishing problem types to reduce misconfigurations. His work established a consistent baseline for onboarding and collaboration, demonstrating a methodical approach to code quality and technical communication, with depth in both code and documentation practices.