I bought credits through my phone and never received them

I just bought credits with my cell phone and never got them, please fix this I was billed for them

Please follow this link: http://www.facebook.com/help/?page=279983015400776
If you can't find your answer there, go to the last question, "My question about paying with my mobile phone wasn't answered above". You will find a link to a form, fill it in order to contact the Facebook Credits Team. They can assist you regarding the missing gold. Thank you!