Maria Sapounidou focused on documentation hygiene for the programming_formalisms_project_summer_2025 repository, dedicating her efforts to maintaining and refining project documentation. She consolidated updates across README-EXT.md and code_review.txt, removing outdated comments, standardizing formatting, and adjusting trailing newlines to enhance clarity and consistency for contributors. Using Markdown and text editing skills, Maria improved the onboarding experience and overall readability of the repository without altering functional code. Her work, tracked through five version-controlled commits, demonstrated careful attention to detail and a methodical approach to documentation maintenance, resulting in more accessible and maintainable project resources for the development team.