doc: Add management command for setting signature resolving key

index d008704198df..88f79eb87bef 100644
@@ -1659,6 +1659,31 @@ Load Identity Resolving Keys Command
 				Invalid Index
 
 
+Set Signature Resolving Key Command
+===================================
+
+	Command Code:		0x0031
+	Controller Index:	<controller id>
+	Command Parameters:	Signature_Resolving_Key (16 Octets)
+	Return Parameters:
+
+	This command allows for setting the signature resolving key and
+	is only supported on controllers with LE support.
+
+	The key can only be changed when the controller is powered off.
+
+	The special empty key (all zeros) can be used to disable the
+	signature resolving key.
+
+	This command generates a Command Complete event on success or a
+	Command Status event on failure.
+
+	Possible errors:	Rejected
+				Not Supported
+				Invalid Parameters
+				Invalid Index
+
+
 Command Complete Event
 ======================