Jamie Dyer contributed to the SBNSoftware/sbncode repository by addressing a critical issue in the calculation of Higgs decay widths for charged pions. Using C++ and leveraging expertise in particle physics and scientific computing, Jamie implemented a fix in the PiPlusPartialWidth calculation to properly account for isospin contributions, introducing a necessary factor of two in the StoPipPip decay process. This adjustment ensured that the decay width calculations now align with theoretical expectations and support accurate downstream analyses. The work demonstrated careful attention to the underlying physics and improved the reliability of scientific results without introducing new features during the period.