diff --git a/iscsi_vms.sh b/iscsi_vms.sh
index 43a5436..25148ad 100755
--- a/iscsi_vms.sh
+++ b/iscsi_vms.sh
@@ -12,8 +12,12 @@ _MONITOR_PROC_CNT=$(pgrep -f $MONITOR_PROC | wc -l)
 _FLAG_FORCE=0
 
 show_usage (){
+	echo "[Usage]"
 	echo "Please use either '-m (--mount)' to mount or '-u (--umount)' to unmount this volume."
-	echo "The use of '-s (--status)' is additionally an option."
+	echo ""
+	echo "Additional Options:"
+	echo "'-s (--status)'"
+	echo "'-r (--release)'"
 	exit 1;
 }