Contributed detailed documentation to the typst/typst repository, focusing on the retrieval of the ISO week year and clarifying the use of base year types and padding options. The work addressed issue #7944 and was co-authored to ensure accuracy and consistency across the codebase. Using Rust and technical writing skills, the contribution provided clear guidance for developers integrating ISO week-year logic, reducing ambiguity in week-number calculations. This documentation improved onboarding for new contributors and served as a reliable reference for users. The update did not involve bug fixes but enhanced the overall clarity and usability of the typst/typst project.