Lucía Castro Bertaina contributed to the IT-Academy-BCN/ita-challenges-backend repository by updating the contributors list to include new team members, focusing on documentation accuracy and governance. She utilized Markdown for clear, maintainable documentation and applied Git version control best practices to ensure traceability and audit readiness. Her work addressed the need for consistent attribution, supporting open-source collaboration and compliance with contributor recognition standards. Although the scope was limited to documentation, Lucía demonstrated attention to detail in commit hygiene and repository management. The update improved the project’s documentation hygiene, facilitating future audits and fostering a transparent, collaborative development environment.