How do I add a new state to the Mantis workflow?

Mantis bugtracker have 7 states:

  New
  Feedback
  Acknowledged
  Confirmed
  Assigned
  开发者_如何学CResolved
  Closed

I want to add a new state: Suggested. Where in the database do I add this new state? Do I need to modify any PHP file?

Thanks.

---

This manual entry on status values might help