I looked up many profiles and found out, that many facebook buttons in the “social profiles” box, are not working.
Thats because audiojungle asks for your “facebook ID”.
So, if you wish that possible fans can visit your facebook-page, you need to change your linking.
Go to “settings” - “Your social networks” and write down your facebook ID.
A way to find out your facebookID is for example: http://findmyfbid.com/