During April 2025, Matt Shu focused on improving documentation quality in the exercism/problem-specifications repository. He addressed a critical issue in the Meetup exercise instructions by correcting the week-count from five to six, ensuring the documentation accurately reflected the available options for specifying the week of the month. This update, implemented using Markdown and strong documentation skills, reduced potential confusion for learners and aligned the instructions with the exercise’s requirements. Matt’s work emphasized clarity and traceability, with changes committed and referenced for easy review. While no new features were added, his contribution enhanced onboarding and maintained high standards for repository accuracy.