Balloon values don't link to part property

I have an assembly drawing that i am updating to reflect some changes that replaced some parts in the assembly with new parts. All our parets have a custom property "Det" that we assign a number to for use in the BOM for the assembly. The balloons I attach to the new parts in the drawing do not show any number. The baloons I inserted originally still show the correct number. Anyone else ever have this happen? If so what was the cause of this problem?

SolidworksDrawings And Detailing