diff --git a/docs/README_CN.md b/docs/README_CN.md
index 409bdc7af..6721ca9ca 100644
--- a/docs/README_CN.md
+++ b/docs/README_CN.md
@@ -120,7 +120,7 @@ ### 联系信息
 
 ## 引用
 
-引用 [Arxiv paper](https://arxiv.org/abs/2308.00352):
+引用 [arXiv paper](https://arxiv.org/abs/2308.00352):
 
 ```bibtex
 @misc{hong2023metagpt,