diff --git a/doc/settings-storage.txt b/doc/settings-storage.txt
index cb05a62..6c9f058 100644
--- a/doc/settings-storage.txt
+++ b/doc/settings-storage.txt
@@ -244,3 +244,5 @@ Long term key) related to a remote device.
   Key			String		Key in hexadecimal format
 
   Counter		Integer		Signing counter
+
+  Authenticated		Boolean		True if the key is authenticated