diff --git a/demo/rank/runexp.sh b/demo/rank/runexp.sh
index 305aef6b4..932fbb2a8 100755
--- a/demo/rank/runexp.sh
+++ b/demo/rank/runexp.sh
@@ -1,5 +1,5 @@
 #Download the dataset from web site
-#wget http://research.microsoft.com/en-us/um/beijing/projects/letor/LETOR4.0/Data/MQ2008.rar
+wget http://research.microsoft.com/en-us/um/beijing/projects/letor/LETOR4.0/Data/MQ2008.rar
 
 #please first install the unrar package
 unrar x MQ2008