Add security note to WPS documenation
[WPS](https://en.wikipedia.org/wiki/Wi-Fi_Protected_Setup) allows devices to be added to an existing network without entering the network credentials.
+!!! danger
+
+ Use this with caution. There are serious security concerns about using WPS.
+
+ WPA/WPA2 networks that have the WPS feature enabled are [very easy to crack](http://www.howtogeek.com/176124/wi-fi-protected-setup-wps-is-insecure-heres-why-you-should-disable-it/). Once the WPS pin has been stolen [the router gives out the password](https://scotthelme.co.uk/wifi-insecurity-wps/) even if it has been changed.
+
+ You should use WPA/WPA2 with the WPS feature disabled.
+
## wps.disable()
Disable WiFi WPS function.
-#### Syntax
-`wps.disable()`
-
#### Parameters
none
@@ -20,9 +25,6 @@ none
## wps.enable()
Enable WiFi WPS function.
-#### Syntax
-`wps.enable()`
-
#### Parameters
none
