Amending $has_NFC description (#1714)

https://mixpanel.atlassian.net/browse/SRFE-7280

Author: leonardofratini

pages/docs/data-structure/property-reference/default-properties.mdx

@@ -76,7 +76,7 @@ $referrer | Referrer | Referring URL including your own domain. Might not be pre
 | $wifi | Wifi | Set to true if the user’s device has an active, available Wifi connection, false if not. | ❌ | ✅ | ✅ | ✅ | 
 | $bluetooth_enabled | Bluetooth | Set to true if Bluetooth is enabled, false if not. | ❌ | ✅ | ❌ | ❌ | 
 | $bluetooth_version | Bluetooth Version | Set to "none", "ble", or "classic". | ❌ | ✅ | ❌ | ❌ | 
-| $has_nfc | Has NFC | Set to true if Near Field Communication is being used, false if not. | ❌ | ✅ | ❌ | ❌ | 
+| $has_nfc | Has NFC | The device supports Near Field Communication(NFC). Set to true if the device hardware supports NFC, false if not. | ❌ | ✅ | ❌ | ❌ | 
 | $has_telephone | Has Telephone | Set to true if this device has telephone functionality, false if not. | ❌ | ✅ | ❌ | ❌ | 
 | $google_play_services | Google Play Services | Verifies that Google Play services is installed and enabled on this device, and that the version installed on this device is no older than the one required by this client. | ❌ | ✅ | ❌ | ❌ | 
 | $duration | Duration	| A property that is appended to an event to capture the elapsed time (in seconds) between a `time_event` and a `track` call. See [time_event](https://github.com/mixpanel/mixpanel-js/blob/master/doc/readme.io/javascript-full-api-reference.md#mixpaneltime_event) in Javascript SDK for example. | ✅ | ✅ | ✅ | ✅ |