how to rename VAT to just TAX

hello, I need help when the order is confirmed. customers get this VAT on their emial confirmation. is there a way just to change VAT to just TAX ? thank you very much.
I am using the business version of hikashop.

Yes. All the text in HikaShop can be overriden by editing your translation file via the interface in the Languages tab of the config: www.hikashop.com/download/languages.html#modify