diff --git a/make-deb.sh b/make-deb.sh
index 00364b0..b1ac5b7 100755
--- a/make-deb.sh
+++ b/make-deb.sh
@@ -5,7 +5,7 @@ set -eu
 PRJ_ROOT=$(dirname $(cd "$(dirname $0)"; pwd))
 PREFIX=cryptobox
 
-[ $# -lt 1 -o $# -gt 2 ] && echo "Syntax: `basename $0` VERSION" && echo && exit 1
+[ $# -lt 1 -o $# -gt 2 ] && echo "Syntax: `basename $0` VERSION {PATH}" && echo && exit 1
 REL_SRC_DIR=${PREFIX}-${1}
 [ $# -eq 2 ] && REL_SRC_DIR=$2
 SRC_DIR=$(cd "$(pwd)/$REL_SRC_DIR"; pwd)