During March 2025, agarzi focused on improving code quality in the kamailio/kamailio repository by addressing a bug in the sanity checks module. Specifically, they corrected a typo in the 'Invalid To Header' error message, ensuring clearer and more accurate error reporting for users and maintainers. Working in C, agarzi demonstrated attention to detail and a disciplined approach to code hygiene and error handling. While no new features were introduced during this period, the targeted fix contributed to more reliable diagnostics and streamlined triage processes, reflecting a commitment to maintainability and precision in C-based module development and version control.