diff --git a/doc/mgmt-api.txt b/doc/mgmt-api.txt
index 63284e0..6fe0080 100644
--- a/doc/mgmt-api.txt
+++ b/doc/mgmt-api.txt
@@ -141,6 +141,7 @@ Read Controller Information Command
 		8	Basic Rate/Enhanced Data Rate
 		9	High Speed
 		10	Low Energy
+		11	Peripheral
 
 	This command generates a Command Complete event on success or
 	a Command Status event on failure.
@@ -321,6 +322,10 @@ Set Low Energy Command
 	This command generates a Command Complete event on success or
 	a Command Status event on failure.
 
+	Setting the mode to Central will enable the Low Energy bit in
+	the supported settings. Setting the mode to Peripheral will enable
+	both the Low Energy and the Peripheral settings bits.
+
 
 Set Device Class
 ================