Double quotes

src/freedombone-mesh-batman

         echo 'error: unable to find wifi interface, not enabling batman-adv mesh'
         return
     fi
-    echo 'info: enabling batman-adv mesh network $WIFI_SSID on $IFACE'
+    echo "info: enabling batman-adv mesh network $WIFI_SSID on $IFACE"
 
     systemctl stop network-manager
     sleep 5