Update README.md

README.md

@@ -8,7 +8,7 @@ license: llama2
 
 ## Model description
 
-Logits-based watermark distilled Llama 2 7B using the KGW \\(\delta=2\\) watermarking strategy in the paper [On the Learnability of Watermarks for Language Models](https://arxiv.org/abs/2312.04469).
+Logits-based watermark distilled Llama 2 7B using the KGW \\(\gamma=0.25, \delta=2\\) watermarking strategy in the paper [On the Learnability of Watermarks for Language Models](https://arxiv.org/abs/2312.04469).
 
 ### Training hyperparameters