Modding the export descr unit files

[GeneralLee]

I like to take other peoples mods and tweak them a bit. In this case Im having issues modding the renaissance era units. Where is the correct descr unit file? Whenever I add numbers to the units in the early one it crashes it as it tries to load the campaign battles but my changes work in custom battles so I suspect Im missing the correct file. Thanks for producing a very well polished mod btw.

[SicilianVespers]

Thanks, the renaissance file is export_descr_unit_renaissance.txt