Originally Posted by Baron
It only works in certain forums and possibly in certain threads started by other DH, and I think your'e mostly supposed to use it in your own threads. You might be restricted to MC threads or CE, or maybe you got both.
It only works in whatever forum they activite you for, e.g, I am pretty sure I am DH only in MC. However, I appear to be able to edit ANY thread in MC, although so far I have only edited my own.