diff --git a/doc/device-api.txt b/doc/device-api.txt
index 20d6c65..a8076a2 100644
--- a/doc/device-api.txt
+++ b/doc/device-api.txt
@@ -211,3 +211,11 @@ Properties	string Address [readonly]
 
 			Service advertisement data. Keys are the UUIDs in
 			string format followed by its byte array value.
+
+		array{object} GattServices [readonly, optional]
+
+			List of GATT service object paths. Each referenced
+			object exports the org.bluez.GattService1 interface and
+			represents a remote GATT service. This property will be
+			updated once all remote GATT services of this device
+			have been discovered and exported over D-Bus.