diff --git a/scripts/build_all.sh b/scripts/build_all.sh
index 8f9f412..26cba9f 100755
--- a/scripts/build_all.sh
+++ b/scripts/build_all.sh
@@ -132,4 +132,5 @@ bash "$SCRIPT_DIR/package_release.sh"
 printf '\n\033[1;32m=== hiperiso build complete ===\033[0m\n'
 echo "Payload: $PAYLOAD"
 echo "Run GUI: $PAYLOAD/Hiperiso.sh"
-echo "Install CLI: sudo bash $PAYLOAD/Hiperiso2Disk.sh /dev/sdX"
+echo "Install CLI: sudo bash $PAYLOAD/Hiperiso2Disk.sh -I /dev/sdX   (GPT default, Secure Boot OFF)"
+echo "  -I   fresh install   -u   update existing   -m   use MBR   -s   enable Secure Boot"