Add note about LegacyPairing property reliability

diff --git a/doc/device-api.txt b/doc/device-api.txt
index 97a1bfb..fbe6bdf 100644 (file)
--- a/doc/device-api.txt
+++ b/doc/device-api.txt
@@ -181,3 +181,7 @@ Properties  string Address [readonly]
                        pairing mechanism. This property is useful in the
                        Adapter.DeviceFound signal to anticipate whether
                        legacy or secure simple pairing will occur.
+
+                       Note that this property can exhibit false-positives
+                       in the case of Bluetooth 2.1 (or newer) devices that
+                       have disabled Extend Inquiry Response support.