Jonas Hoersch focused on improving documentation reliability for the PyPSA/pypsa-eur repository during November 2024. He addressed a Sphinx literalinclude issue in the configuration guide by updating the directive to use the correct start-after parameter and marker, ensuring the enable section is properly included in the generated documentation. Working primarily with reStructuredText and Sphinx, Jonas prioritized documentation standards over feature development, aiming to reduce user confusion and streamline onboarding. His targeted fix enhanced the accuracy and maintainability of the project’s technical documentation, reflecting a methodical approach to quality assurance in open-source documentation workflows within the Python ecosystem.