During a one-month contribution to the telegramdesktop/tdesktop repository, Bandrik Windigard focused on improving the accuracy and traceability of release documentation. He addressed a bug in the changelog by correcting the year for the four most recent updates, ensuring that the version history accurately reflected the actual release timeline. Working primarily with plaintext and leveraging his documentation skills, Bandrik validated and reviewed changelog edits to prevent future regressions. His work enhanced audit readiness and maintained the integrity of release notes, providing a reliable historical record for the project. The contribution was targeted, with depth in documentation quality and process.