diff --git a/thirdparty/README.txt b/thirdparty/README.txt
index 8640a8cb3d381796022c5039d8889da0e69bdc52..1f0e6a3c950e2a23bf3c69398317bc38a161c7ae 100755
--- a/thirdparty/README.txt
+++ b/thirdparty/README.txt
@@ -34,7 +34,7 @@ MarkerManager.js
 ----------------
 Google Maps API Utility Library addon
 This is an improved version of GMarkerManager.
-Website: http://code.google.com/p/gmaps-utility-library/
+Website: http://code.google.com/p/gmaps-utility-library-dev/
 Tested version: 1.0
 
 MarkerClusterer.js