Aleksandr Tereshch worked on enhancing developer onboarding for the UniversityOfHelsinkiCS/sis-importer repository by updating and restructuring its documentation. He focused on improving the README.md file, adding a dedicated section with clear, actionable instructions for connecting to the local database. Using Markdown and leveraging his documentation skills, Aleksandr moved the existing database connection command to a more logical location, increasing its visibility and maintainability. This targeted update addressed setup friction for new contributors, enabling smoother local development and testing. The work demonstrated attention to detail and a practical approach to documentation, though it was limited in scope to a single feature.