diff --git a/doc/getting-started/gsg_quick_setup.sh b/doc/getting-started/gsg_quick_setup.sh
index 0058a8c64..8453df122 100644
--- a/doc/getting-started/gsg_quick_setup.sh
+++ b/doc/getting-started/gsg_quick_setup.sh
@@ -11,7 +11,7 @@ upgrade_uos=0
 function print_help()
 {
 echo "Usage:"
-echo "Launch this script as: ./flash.sh -t 28100"
+echo "Launch this script as: sudo $0 -t 28100"
 echo "-t to specify clear linux version for upgrading"
 echo "-p to specify a proxy server"
 echo "-m to use swupd mirror url"