Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
please note that if you purchase a subscription through the apple itunes store or our iphone application , you may cancel automatic renewals by selecting manage app subscriptions in your itunes account settings and selecting the subscription you want to modify . 

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