diff --git a/README.md b/README.md
index 6dbcd28..9b59ea2 100644
--- a/README.md
+++ b/README.md
@@ -269,4 +269,4 @@ TODO: Here paste the github API after publishing:
 
 ## About us
 
-Visit [LAMDA's official website](http://www.lamda.nju.edu.cn/MainPage.ashx),
+Visit [LAMDA's official website](http://www.lamda.nju.edu.cn/MainPage.ashx).