diff --git a/README.md b/README.md
index 429834c..c870c3a 100644
--- a/README.md
+++ b/README.md
@@ -73,13 +73,12 @@ This is a quickstart guide of howto use this *LabInstance to deploy MPI programs
 
 
 ---
-**NOTE:** copy hello world to all clients
+**NOTE:** copy files to all clients
 
 ```bash
-# scp hello wrold to all clients. sudo -u mpi for auto scp connect. see /home/mpi/.ssh 
 while read -r line; 
  do 
-   scp /project/mpi_hello_world ubuntu@$line:/project/mpi_hello_world
+   scp /project/file docker@$line:/some_dir/file
 done < /project/hosts
 ```
 ---