diff --git a/README.md b/README.md
index 5535584..429834c 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,9 @@ This is a quickstart guide of howto use this *LabInstance to deploy MPI programs
 >
 > nmap -sP 172.130.0.0/24
 >
+> or
+>
+> /project/bin/swarmlab-nmap
 
 
 #### connect to workers