diff --git a/README.md b/README.md
index f81ca3d..5a2ca7a 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ python mapper.py
 
 Then visit http://127.0.0.1:8080/static/googlemap.html to use the google Online map.
 
-Since Baidu map uses the GCJ02 coordinate system, the coordinates shown on the map http://127.0.0.1:8080/static/googlemap.html deviate from the actual position.
+Since Baidu map uses the GCJ02 coordinate system, the coordinates shown on the map http://127.0.0.1:8080/static/baidumap.html deviate from the actual position.
 
 You can write an map which can POST data to http://127.0.0.1:8080/post like this