Manuel Jacob focused on improving documentation quality and repository hygiene in the xdslproject/xdsl repository during April 2025. He addressed a documentation bug in the x86 dialect, correcting typos and clarifying internal comments related to immediate size defaults. Using Python and leveraging his skills in code refactoring and documentation, Manuel enhanced the accuracy and readability of both user-facing guides and developer comments. While no new features were introduced, his targeted changes reduced potential confusion for contributors and users, ensuring more consistent documentation. The work demonstrated careful attention to detail and contributed to the maintainability of the xdsl codebase.