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README.md

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 ## Introduction
 
-Qwen1.5-MoE is the beta version of Qwen2-MoE, a transformer-based decoder-only language model pretrained on a large amount of data. 
+Qwen1.5-MoE is a transformer-based MoE decoder-only language model pretrained on a large amount of data. 
 
 For more details, please refer to our [blog post](https://qwenlm.github.io/blog/qwen1.5/) and [GitHub repo](https://github.com/QwenLM/Qwen1.5).