Changing attack types

Hey everyone, Im trying to find out how to change unit attack/defence types from chaos, normal, etc... To something else, plz help , I can go into the MPQ if I have to

I want to change the tips and name of it, Icons r fine

its all in the unit editor.. under attack.. its under attack type: blah blah

and defence i belive its under combat - Defence type: blah blah

you can change the types there

he wants to be able to change the actual tooltips of them etc, i have no idea how to do it my self bu i think i may have seen a thread about it somewhere, maybe a search might bring up soem results?