Add info about preferable way to add device to z-wave network

minchik · minchik · commit 01873e7f9640 · 2017-07-24T21:44:16.000+03:00
diff --git a/source/_docs/z-wave.markdown b/source/_docs/z-wave.markdown
@@ -88,6 +88,10 @@ Depending on what's plugged into your USB ports, the name found above may change
 
 To add a Z-Wave device to your system, go to the Services menu and select the `zwave` domain, and select the `add-node` service. Then find your device's add button and press that as well.
 
+<p class='note'>
+Some Z-Wave controllers like Aeotec ZW090 Z-Stick Gen5 have ability to add devices to the network using their own contol buttons. But this method should be avoided as it is error prone. Devices added to the Z-Wave network using this method may not function well. It is alway better to add new devices using Home Assistant Z-Wave panel.
+</p>
+
 ### {% linkable_title Adding Security Devices %}
 
 Security Z-Wave devices require a network key before being added to the network using the `zwave.add_node_secure` service. You must set the *network_key* configuration variable to use a network key before adding these devices.
