I have just sent another payment, and this one also has two receiving addresses...
https://blockchain.info/tx/ceaa6d548fe9442961dd94db4f3fbc151a857dd2b77acbcd066f504dc3b8b356

I sent a payment for 0.000848 BTC, but there's another amount for 0.0046342 BTC.. What's the second one for, could you explain please??

I hope I am not getting charged for this one too??