diff --git a/PaddleCV/yolov3/README.md b/PaddleCV/yolov3/README.md
index fbfae20ff0f8a2c92feb922b3e50e78cda3d9054..6f14bea951a103f3496467f52108db7ab40b8330 100644
--- a/PaddleCV/yolov3/README.md
+++ b/PaddleCV/yolov3/README.md
@@ -12,7 +12,7 @@
 
 ## Installation
 
-Running sample code in this directory requires PaddelPaddle Fluid v.1.4 and later. If the PaddlePaddle on your device is lower than this version, please follow the instructions in [installation document](http://paddlepaddle.org/documentation/docs/zh/1.4/beginners_guide/install/index_cn.html) and make an update.
+Running sample code in this directory requires PaddelPaddle Fluid v.1.4 and later. If the PaddlePaddle on your device is lower than this version, please follow the instructions in [installation document](http://www.paddlepaddle.org/documentation/docs/en/1.4/beginners_guide/install/index_en.html) and make an update.
 
 ## Introduction