diff --git a/benchmark.sh b/benchmark.sh
old mode 100644
new mode 100755
index f3782a39193..20b8f6c12ab
--- a/benchmark.sh
+++ b/benchmark.sh
@@ -10,7 +10,7 @@ BRANCH2=${2:-''}
 
 if [ "" = "$BRANCH1" ] || [ "" = "$BRANCH2" ];
 then
-    echo "Usage: bash benchmark.sh BRANCH1 BRANCH2 ...BRANCHN"
+    echo "Usage: ./benchmark.sh BRANCH1 BRANCH2 ...BRANCHN"
     exit 1;
 fi