diff --git a/README.md b/README.md
index e3b978e..5441957 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Before running the code, make sure you have setup the environment and installed
 pip install transformers==4.31.0 accelerate tiktoken einops
 ```
 
-We recommend installing [flash-attention](https://github.com/Dao-AILab/flash-attention) for higher efficiency and lower memory usage.
+We recommend installing [flash-attention](https://github.com/Dao-AILab/flash-attention) for higher efficiency and lower memory usage. (**flash-attention is optional and the project can run normally without installing it**)
 
 ```bash
 git clone -b v1.0.8 https://github.com/Dao-AILab/flash-attention