How do you change your display name on facebook?

Whenever i go to account, change name....in the part where it says change name it only gives me a choise of my name and surname



how do u change it!?!?How do you change your display name on facebook?
Settings %26gt; Account Settings %26gt; Name and then you'll see your name and surname, change those to whatever name you'd like, then click on ';Change';. Be carful though, your name will not change instantly! It might take a day or two before you see your ';new'; name. How do you change your display name on facebook?
go to Account setting it is on the setting tab