diff --git a/vm-start.sh b/vm-start.sh
index 5226683..4cd095b 100755
--- a/vm-start.sh
+++ b/vm-start.sh
@@ -38,7 +38,7 @@ OPTION available
                             -display gtk -vga qxl
     create_disk=<loc_disk>  Def a create disk to boot on. Is necessary for using create, or need the variable INSTALLATION_DISK_LOCATION to be set.
     net=nat:id                 Add a nat connection to the vm. By default there is already one.
-    net=tap:<tapInterface>   Connect the vm to the tap interface <tapInterface>. Please use the script set-tap.sh as root to create the tap interface. in the conf file, a mac field have to be set. for two vm to connect togethers, their mac addresses on the same network have to be differents.
+    net=br:<br-id>          Connect the vm to the bridge <br-id>. Please use the script set-tap.sh as root to create the bridge. in the conf file, a mac field have to be set. for two vm to connect togethers, their mac addresses on the same network have to be differents.
     net=none                The vm will have no network interface
 "
 
@@ -203,13 +203,13 @@ set_uefi() {
 set_net() {
     case "${1%:*}" in
         "nat")
-            echo "ajout de l'interface ${1#*:}"
+            echo "add the interface ${1#*:}"
             network="${network} \
                 -netdev user,id=${1#*:} \
                 -device virtio-net,netdev=${1#*:}"
             ;;
-        "tap")
-            echo "ajout de l'interface tap ${1#*:}"
+        "br")
+            echo "add bridge ${1#*:}"
             if [ "${mac}" == "" ]
             then
                 echo "error, no mac set"
@@ -224,7 +224,7 @@ set_net() {
             network="-nic none"
             ;;
         *)
-            echo "type ${1%:*} not known, it should be either nat, tap or none" >&2
+            echo "type ${1%:*} not known, it should be either nat, br or none" >&2
             exit 1
             ;;
     esac