How do you change your name on Facebook to only your first name?

[Vallewida]

Only your first name.

[DOU ^_^]

you could write the second name as a (.) point or a coma

[Mayumi]

Beware: possible account suspension

Here are the things that you would need:
-Firefox
-A Facebook account

Steps to show only your first name
1. Open Firefox and go to http://www.nextgenupdate.com/forums/register.php
2. Set your Firefox internet proxy settings to: 202.152.156.210 Port: 8080
*http://www.wikihow.com/Enter-Proxy-Settings-in-Firefox

3. Save your settings and change your Facebook language to "Bahasa Indonesia"
4. Save settings, then edit your name and erase your last name
5. If you did this right, your facebook account should only have your first name on it.

[Agim]

just hit space on you last name field