Andres Arce contributed to the facebook/react-native-website repository by focusing on documentation quality, specifically targeting the Contributing Documentation. He identified and corrected a spelling error, changing 'reccomend' to 'recommend' to enhance clarity and maintain a professional tone for new contributors. Using Markdown and Git-based workflows, Andres managed the change through code review, ensuring alignment with project style guidelines. His work improved the onboarding experience by reducing ambiguity in contributor instructions. While the scope was limited to a single documentation fix, Andres demonstrated attention to detail and adherence to documentation best practices, reinforcing quality standards within the project’s collaborative environment.