diff --git a/doc/mgmt-api.txt b/doc/mgmt-api.txt
index e10d079..f6e4342 100644
--- a/doc/mgmt-api.txt
+++ b/doc/mgmt-api.txt
@@ -302,6 +302,13 @@ Set Device Class
 	This command will also implicitly disable caching of pending CoD
 	and EIR updates.
 
+	This command can be used when the controller is not powered and
+	all settings will be programmed once powered.
+
+	In case the controller is powered off, 0x000000 will be returned
+	for the class of device parameter. And after power on the new
+	value will be announced via class of device changed event.
+
 	This command generates a Command Complete event on success or
 	a Command Status event on failure.
 
@@ -340,6 +347,13 @@ Add UUID Command
 				SVC_Hint (1 Octet)
 	Return Parameters:	Class_Of_Device (3 Octets)
 
+	This command can be used when the controller is not powered and
+	all settings will be programmed once powered.
+
+	In case the controller is powered off, 0x000000 will be returned
+	for the class of device parameter. And after power on the new
+	value will be announced via class of device changed event.
+
 	This command generates a Command Complete event on success or
 	a Command Status event on failure.
 
@@ -352,6 +366,13 @@ Remove UUID Command
 	Command Parameters:	UUID (16 Octets)
 	Return Parameters:	Class_Of_Device (3 Octets)
 
+	This command can be used when the controller is not powered and
+	all settings will be programmed once powered.
+
+	In case the controller is powered off, 0x000000 will be returned
+	for the class of device parameter. And after power on the new
+	value will be announced via class of device changed event.
+
 	This command generates a Command Complete event on success or
 	a Command Status event on failure.
 
@@ -374,6 +395,8 @@ Load Link Keys Command
 				...
 	Return Parameters:
 
+	This command can be used when the controller is not powered.
+
 	This command generates a Command Complete event on success or
 	a Command Status event on failure.
 
@@ -476,6 +499,8 @@ Set IO Capability Command
 	Command Parameters:	IO_Capability (1 Octet)
 	Return Parameters:
 
+	This command can be used when the controller is not powered.
+
 	This command generates a Command Complete event on success or
 	a Command Status event on failure.
 
@@ -627,7 +652,7 @@ Add Remote Out Of Band Data Command
 
 
 Remove Remote Out Of Band Data Command
-========================================
+======================================
 
 	Command Code:		0x0022
 	Controller Index:	<controller id>
@@ -706,6 +731,8 @@ Block Device Command
 	Return Parameters:	Address (6 Octets)
 				Address_Type (1 Octet)
 
+	This command can be used when the controller is not powered.
+
 	This command generates a Command Complete event on success
 	or failure.
 
@@ -720,6 +747,8 @@ Unblock Device Command
 	Return Parameters:	Address (6 Octets)
 				Address_Type (1 Octet)
 
+	This command can be used when the controller is not powered.
+
 	This command generates a Command Complete event on success
 	or failure.