Update README.md

README.md

@@ -126,7 +126,7 @@ ranked_results = torch.argsort(similarities, dim=-1, descending=True) # (1, num_
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 ## License
-Dragon-multiturn is built on top of [Dragon](https://arxiv.org/abs/2302.07452). We refer users to the original license of the Dragon model.
+Dragon-multiturn is built on top of [Dragon](https://arxiv.org/abs/2302.07452). We refer users to the original license of the Dragon model. Dragon-multiturn is also subject to the [Terms of Use](https://openai.com/policies/terms-of-use).
 
 ## Correspondence to
 Zihan Liu (zihanl@nvidia.com), Wei Ping (wping@nvidia.com)