Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
you acknowledge that no other written , oral or electronic communications will serve to modify or supplement this agreement , and you agree not to make any claims inconsistent with this understanding or in reliance on communications not part of this agreement . 

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