diff --git a/src/encoding/nfd-constants.hpp b/src/encoding/nfd-constants.hpp
index 5951311..01e8c2b 100644
--- a/src/encoding/nfd-constants.hpp
+++ b/src/encoding/nfd-constants.hpp
@@ -67,8 +67,9 @@
 /** \ingroup management
  */
 enum FaceFlagBit {
-  BIT_LOCAL_FIELDS_ENABLED = 0, ///< controls whether local fields are enabled on a face
-  BIT_LP_RELIABILITY_ENABLED = 1, ///< controls whether the link reliability feature is enabled on a face
+  BIT_LOCAL_FIELDS_ENABLED = 0, ///< whether local fields are enabled on a face
+  BIT_LP_RELIABILITY_ENABLED = 1, ///< whether the link reliability feature is enabled on a face
+  BIT_CONGESTION_MARKING_ENABLED = 2, ///< whether congestion detection and marking is enabled on a face
 };
 
 /** \ingroup management
diff --git a/src/encoding/tlv-nfd.hpp b/src/encoding/tlv-nfd.hpp
index 0326024..1c4d12d 100644
--- a/src/encoding/tlv-nfd.hpp
+++ b/src/encoding/tlv-nfd.hpp
@@ -59,16 +59,18 @@
   NCsEntries           = 135,
 
   // Face Management
-  FaceStatus            = 128,
-  LocalUri              = 129,
-  ChannelStatus         = 130,
-  UriScheme             = 131,
-  FaceScope             = 132,
-  FacePersistency       = 133,
-  LinkType              = 134,
-  FaceQueryFilter       = 150,
-  FaceEventNotification = 192,
-  FaceEventKind         = 193,
+  FaceStatus                    = 128,
+  LocalUri                      = 129,
+  ChannelStatus                 = 130,
+  UriScheme                     = 131,
+  FaceScope                     = 132,
+  FacePersistency               = 133,
+  LinkType                      = 134,
+  BaseCongestionMarkingInterval = 135,
+  DefaultCongestionThreshold    = 136,
+  FaceQueryFilter               = 150,
+  FaceEventNotification         = 192,
+  FaceEventKind                 = 193,
 
   // ForwarderStatus and FaceStatus counters
   NInInterests  = 144,