During March 2025, work focused on maintaining the kamailio/kamailio repository, specifically addressing a bug in the sanity checks module. The primary contribution involved correcting a typo in the 'Invalid To Header' error message, improving clarity for error reporting and facilitating faster issue triage. This update, implemented in C, demonstrated attention to code hygiene and careful review discipline. By refining error handling within the module, the work contributed to more reliable sanity checks and enhanced maintainability of the codebase. The approach reflected a commitment to quality assurance and effective use of version-control practices, even in the absence of new feature development.