Stefan Wehr contributed to the isaqb-org/curriculum-foundation repository by enhancing documentation related to sums and products, focusing on improving reference traceability and discoverability. He updated adoc files to include cross-referenced entries linking to a new blog article and its English translation, ensuring that external resources are clearly cited and easily accessible. Using technical writing and documentation skills, Stefan’s work aimed to streamline onboarding for both contributors and learners by making key concepts and references more navigable. The depth of his contribution lies in reinforcing content credibility and supporting curriculum alignment, though the scope was limited to a single targeted feature.