diff --git a/doc/mgmt-api.txt b/doc/mgmt-api.txt
index cc77808..13d43ee 100644
--- a/doc/mgmt-api.txt
+++ b/doc/mgmt-api.txt
@@ -334,9 +334,14 @@ Start Discovery Command
 
 	Command Code:		0x0001B
 	Controller Index:	<controller id>
-	Command Parameters:
+	Command Parameters:	Type (1 Octet)
 	Return Parameters:
 
+	Possible values for the Type parameter:
+		0	BR/EDR
+		1	LE
+		2	BR/EDR/LE (interleaved discovery)
+
 Stop Discovery Command
 ======================