diff --git a/src/encoding/tlv-nrd.hpp b/src/encoding/tlv-nrd.hpp
index 9ca1a65..5dc00a0 100644
--- a/src/encoding/tlv-nrd.hpp
+++ b/src/encoding/tlv-nrd.hpp
@@ -16,6 +16,7 @@
 namespace tlv {
 namespace nrd {
 
+// \deprecated use NFD RIB Management
 enum {
   PrefixRegOptions = 101,
   FaceId           = 102,