During February 2025, Mavelo contributed to the apache/httpcomponents-core repository by addressing a protocol version error reporting issue in the ProtocolVersion class. Focusing on Core Java, Mavelo corrected the error message to accurately describe the 'major' version parameter, clarifying it as the 'Protocol major version' rather than the 'Protocol minor version.' This targeted bug fix improved the accuracy and clarity of protocol versioning error messages, reducing confusion for developers during integration and troubleshooting. While the work was limited in scope, it demonstrated careful attention to detail and a solid understanding of Java, with a focus on enhancing developer experience in protocol handling.