Updated Hardware API (markdown)

Hardware-API.md

@@ -346,7 +346,7 @@ Methods:
 - `wlan.security([(auth, key)])` set or get the security configuration tuple
 - `wlan.channel([channel])` set or get the channel. NOHEAP
 - `wlan.scan()` perform a network scan and return a named tuple of the form:
-  `(ssid, bssid, security, channel, rssi)`
+  `(ssid, bssid, auth, channel, rssi)`
 - `wlan.mac([mac])` get or set the MAC address. The MAC address is a `bytes` object of length 6.
 - `wlan.connect(ssid, *, auth=WLAN.OPEN, key=None, timeout=None)` Connect to the network specified by the SSID using the given authentication and keys.
 - `wlan.disconnect()` Closes the current connection. NOHEAP