Update README-VTN.md
diff --git a/xos/configurations/cord/README-VTN.md b/xos/configurations/cord/README-VTN.md
index 47f2045..b3c0c61 100644
--- a/xos/configurations/cord/README-VTN.md
+++ b/xos/configurations/cord/README-VTN.md
@@ -123,7 +123,7 @@
     
 ### Setting up a test-client
 
-Before setting up VTN, create a bridge and attach it to the dataplane device:
+Before setting up VTN, create a bridge and attach it to the dataplane device on each compute node:
 
     brctl addbr br-inject
     brctl addif br-inject eth3   # substitute dataplane eth device here, may be different on each compute node