diff --git a/doc/mgmt-api.txt b/doc/mgmt-api.txt
index 79b3f33..42fe1b4 100644
--- a/doc/mgmt-api.txt
+++ b/doc/mgmt-api.txt
@@ -2392,8 +2392,11 @@ New Long Term Key Event
 
 	Currently defined Key_Type values are:
 
-		0x00	Unauthenticated key
-		0x01	Authenticated key
+		0x00	Unauthenticated legacy key
+		0x01	Authenticated legacy key
+		0x02	Unauthenticated key from P-256
+		0x03	Authenticated key from P-256
+		0x04	Debug key from P-256
 
 	Receiving this event indicates that a pairing procecure has
 	been completed.