1. The link to FAQ admin is in the 'Manage Modules' navigation on the left.  Click on 'F.A.Q' and then click 'Edit F.A.Q':
    Manage Modules
  2. Click the edit icon on the category in which the FAQ resides:
    Edit icon
  3. Click the edit icon on the FAQ in question:
    Edit icon
  4. Change the question or answer content as required and click 'Save'. The change is effective immediately.

NOTE: As the question informs the page address we recommend not changing this unless it is absolutely crucial.