In January 2025, Kai Volmer focused on enhancing the SciCompMod/memilio repository by improving the documentation within the core C++ model. He delivered a targeted update to the CompartmentalModel class, specifically clarifying the purpose of the 'pop' parameter in the get_derivatives function. This work involved adding precise comments to the codebase, which increased readability and maintainability for future contributors. By concentrating on documentation, Kai supported better onboarding and reliability for simulation workflows. Although no bugs were fixed during this period, his efforts in technical writing and C++ code documentation contributed to the long-term sustainability of the project.