Angela Alonso Gregorio contributed to the damichers/apuntes-si repository by updating the CONTRIBUTORS.md file to include a new contributor, angeluchii20, along with a brief description. She focused on maintaining accurate contributor records to support clear governance and streamlined onboarding. Angela used Markdown for documentation and leveraged Git version control to ensure a transparent and traceable change history. Her work emphasized concise commit messaging and cross-functional collaboration, with all updates documented in Spanish. While the scope was limited to documentation rather than feature development or bug fixes, her contributions improved project attribution and maintained the integrity of contributor information for the repository.