Add comment add missing device name property

diff --git a/doc/device-api.txt b/doc/device-api.txt
index 60f2e83..2fc9da2 100644 (file)
--- a/doc/device-api.txt
+++ b/doc/device-api.txt
@@ -66,7 +66,8 @@ Properties    string Address [readonly]
                        The device name (for example "Wireless" etc.)
 
                        This name can be used for directly displaying it in
-                       the application. It has pure informational purpose.
+                       the application. It has pure informational purpose
+                       and there is not guarantee that it is present.
 
                string Type [readonly]