diff --git a/OpenExposureData/Docs/OpenExposureData_Spec.xlsx b/OpenExposureData/Docs/OpenExposureData_Spec.xlsx index d2cbf78a..42716336 100644 Binary files a/OpenExposureData/Docs/OpenExposureData_Spec.xlsx and b/OpenExposureData/Docs/OpenExposureData_Spec.xlsx differ