This one is only a little harder to use than the PSI Name editor because it incorporates a pointer changer.  But if you know what you're doing with them, it's no trouble at all.  Just change the names...

Phone list:  For this you can change the names of the 5 phone numbers and what address they go to.
Ailment Names: This is even simpler.  Just change the names.
Battle Menu: Just as simple as the Ailment Names.  Keep in mind that Bash is used when you have no weapon or an item type 16 weapon equipped, and Shoot is used when you have a type 17 weapon equipped...  Some people were confused over that.