How to edit thread tittle

Select edit thread from the thread tool menu then it'll open up your first post and you can edit it there.

What do you want done? I could do it for you if its easier?
 
I dont seem to have that option in the thread tools drop down menu mate..
Was just wondering how it was done as i couldnt figue it out..
Will
 
You go to the first post in the thread then the "thread tool" drop down should be there.