In May 2025, Cervol focused on improving the Math/Algebra Group-Theory documentation within the OI-wiki/OI-wiki repository. They addressed documentation reliability by correcting two typographical errors, updating the author attribution, and clarifying the explanation of the homomorphism theorem to enhance accuracy and reader comprehension. Working primarily with Markdown and leveraging strong documentation skills, Cervol’s contributions targeted both content clarity and contributor transparency. These changes reduced potential confusion for readers and improved onboarding for new contributors, supporting the maintainability of community-driven mathematical resources. The work demonstrated careful attention to detail and a commitment to the quality of technical documentation.