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