companion javs

I read Alexander, and it described the elite squadron of teh cav Alexander commanded at chaeronae.

' they ahd beuatifull round shield baering the aergaedic star. on teh shield there were to javelins pinned, there primary weapon was a spear.

so, I tried to mod ti in export descr unit. but it failed. Pode already messed up a weekend. so is there anybody in knowlegde of doing this? or maybe even someone in need of a new hobby? would be nice. it would make comps get an edge o cats..
jerby