diff --git a/src/freedombone-mesh-batman b/src/freedombone-mesh-batman
index 1b5ad086..819775f0 100755
--- a/src/freedombone-mesh-batman
+++ b/src/freedombone-mesh-batman
@@ -212,6 +212,7 @@ function start {
     sed -i 's|use-ipv4=.*|use-ipv4=no|g' /etc/avahi/avahi-daemon.conf
     sed -i 's|use-ipv6=.*|use-ipv6=yes|g' /etc/avahi/avahi-daemon.conf
 
+    # set the wifi interface for layer 3 routing
     sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx6 dev=${IFACE}|g" /etc/systemd/system/bmx6.service
     sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx7 dev=${IFACE}|g" /etc/systemd/system/bmx7.service
     sed -i "s|ExecStart=.*|ExecStart=/usr/local/sbin/olsrd2_static ${IFACE}|g" /etc/systemd/system/olsr2.service
@@ -238,6 +239,7 @@ function start {
                 ifconfig "$EIFACE" up promisc
                 echo $'End of internet bridge'
 
+                # set the wifi interfaces for layer 3 routing
                 sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx6 dev=${IFACE} dev=${EIFACE}|g" /etc/systemd/system/bmx6.service
                 sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx7 dev=${IFACE} dev=${EIFACE}|g" /etc/systemd/system/bmx7.service
                 sed -i "s|ExecStart=.*|ExecStart=/usr/local/sbin/olsrd2_static ${IFACE} ${EIFACE}|g" /etc/systemd/system/olsr2.service