Andrew contributed targeted documentation improvements to the exercism/problem-specifications repository, focusing on the square-root exercise. He refactored the documentation by moving general information from a Python-specific addendum into the main problem specification, clarifying both the introduction and instructions for better readability. Using Markdown and technical writing skills, Andrew ensured adherence to style guidelines and improved the maintainability of the documentation. His work enhanced cross-language consistency and made onboarding easier for new contributors. The changes, managed through Git-based workflows, provided a clearer and more reusable problem specification, addressing the need for centralized, well-structured documentation across multiple language tracks.