Change wording and phrases?

[dark9]

How do I change the wording and phrases in the ordering system? For instance, when customer orders, it first asks:

The product or service you have chosen requires a domain name.
I want AAA to register a new domain for me.
I want to transfer my domain to AAA
I will update the nameservers on my existing domain

I want to change  the "I will update the nameservers on my existing domain" to "I have my own domain name"

Thank you.

[BRJP]

These are stored within the HB database in the hb_language_locales table and referenced in the tpl files.

If you change these within the database they will change on the screen.  The other benefit is that if you upgrade the HostBill files the changes will be persistent.