Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
headspace will notify the recipient prior to the end of the gift subscription that the gift period is about to expire . 

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