Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you will be informed of such transfer at least one month in advance . 

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