Update README.md

README.md

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 ProLLaMA: A Protein Large Language Model for Multi-Task Protein Language Processing
 
-[Paper on arxiv.](https://arxiv.org/abs/2402.16445)
+How to use this model, see github.
+
+[Paper on arxiv](https://arxiv.org/abs/2402.16445)
 
 [Github](https://github.com/Lyu6PosHao/ProLLaMA)