diff --git a/doc/settings-storage.txt b/doc/settings-storage.txt
index 3fdcb03..e7ba89d 100644
--- a/doc/settings-storage.txt
+++ b/doc/settings-storage.txt
@@ -181,6 +181,8 @@ Long term key) related to a remote device.
   Authenticated		Boolean		True if remote device has been
 					authenticated
 
+  Master		Boolean		True for master key
+
   EncSize		Integer		Encrypted size
 
   EDiv			Integer		Encrypted diversifier