Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
details regarding currency conversion , including any associated fees , are detailed in the payments terms . 

```
. OPTIONS: ['Arbitration' 'Content removal' 'Unilateral termination'
 'Limitation of liability' 'Contract by using' 'Unilateral change'
 'Choice of law' 'None' 'Jurisdiction'].