diff --git a/Hardware-API.md b/Hardware-API.md
index 9ac5f44..1da92cc 100644
--- a/Hardware-API.md
+++ b/Hardware-API.md
@@ -343,10 +343,10 @@ Methods:
 - `wlan.deinit()` disable the NIC. NOHEAP.
 - `wlan.mode([mode])` set or get the mode. NOHEAP
 - `wlan.ssid([ssid])` set or get our own SSID name
-- `wlan.auth([(type, key)])` set or get the security configuration tuple
+- `wlan.auth([(sec, key)])` set or get the authentication 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, auth, channel, rssi)`
+  `(ssid, bssid, sec, 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=None, *, bssid, timeout=None)` Connect to the network specified by the SSID using the given authentication. Optionally specify the BSSID and a timeout.
 - `wlan.disconnect()` Closes the current connection. NOHEAP
@@ -359,9 +359,10 @@ Constants:
 - `WLAN.AP` Access point mode
 - `WLAN.AP+STA` Access point + Station mode (sometimes called SoftAP)
 - `WLAN.P2P` Peer to peer (also called WiFi-direct or Ad-Hoc mode)
-- `WLAN.WEP` WEP authentication
-- `WLAN.WPA` WPA authentication
-- `WLAN.WPA2` WPA2 authentication
+- `WLAN.WEP` WEP security
+- `WLAN.WPA` WPA security
+- `WLAN.WPA2` WPA2 security
+- `WLAN.WPA_ENT` WPA Enterprise security
 
 # machine module
 
@@ -373,11 +374,12 @@ Constants:
 - `machine.sleep([... options])` NOHEAP; enter sleep mode that retains RAM and continues execution when woken
 - `machine.deepsleep([... options])` NOHEAP; enter sleep mode that may not retain RAM and may reset when woken
 - `machine.reset_cause()` get the reset cause
-- `machine.wake_reason()` get the wake reason, will return `None` if now sleep-wake cycle has occurred
+- `machine.wake_reason()` get the wake reason (from `SLEEP` or `DEEPSLEEP` modes), will return `None` if no sleep-wake cycle has occurred
 
 ### Constants
 
 To specify from which sleep mode a callback can wake the machine:
+- `machine.IDLE`
 - `machine.SLEEP`
 - `machine.DEEPSLEEP`
 
@@ -391,7 +393,7 @@ Reset causes:
 Wake reason:
 - `machine.NETWORK_WAKE`
 - `machine.PIN_WAKE`
-- `machine.TIMER_WAKE`
+- `machine.RTC_WAKE`
 
 # time module additions