diff --git a/doc/BGP-TypeCode b/doc/BGP-TypeCode
index 5663c4d..b321807 100644
--- a/doc/BGP-TypeCode
+++ b/doc/BGP-TypeCode
@@ -3,24 +3,22 @@
 
   Value  Attribute            References
 =========================================================================
-    1    ORIGIN               [RFC 1771]
-    2    AS_PATH              [RFC 1771]
-    3    NEXT_HOP             [RFC 1771]
-    4    MULTI_EXIT_DISC      [RFC 1771]
-    5    LOCAL_PREF           [RFC 1771]
-    6    ATOMIC_AGGREGATE     [RFC 1771]
-    7    AGGREGATOR           [RFC 1771]
+    1    ORIGIN               [RFC 4271]
+    2    AS_PATH              [RFC 4271]
+    3    NEXT_HOP             [RFC 4271]
+    4    MULTI_EXIT_DISC      [RFC 4271]
+    5    LOCAL_PREF           [RFC 4271]
+    6    ATOMIC_AGGREGATE     [RFC 4271]
+    7    AGGREGATOR           [RFC 4271]
     8    COMMUNITIES          [RFC 1997]
-    9    ORIGINATOR_ID        [RFC 1966]
-   10    CLUSTER_LIST         [RFC 1966]
+    9    ORIGINATOR_ID        [RFC 4456]
+   10    CLUSTER_LIST         [RFC 4456]
    11    DPA                  [draft-ietf-idr-bgp-dpa-05.txt(expired)]
-   12    ADVERTISER           [Changed from RFC 1863 bgp@ans.net ML?]
-   13    RCID_PATH            [Changed from RFC 1863 bgp@ans.net ML?]
-   14    MP_REACH_NLRI        [RFC 2283]
-   15    MP_UNREACH_NLRI      [RFC 2283]
-   16    EXT_COMMUNITIES      [draft-ramachandra-bgp-ext-communities-09.txt]
+   12    ADVERTISER           [RFC 1863]
+   13    RCID_PATH            [RFC 1863]
+   14    MP_REACH_NLRI        [RFC 4760]
+   15    MP_UNREACH_NLRI      [RFC 4760]
+   16    EXT_COMMUNITIES      [RFC 4360]
    17    AS4_PATH             [RFC 4893]
    18    AS4_AGGREGATOR       [RFC 4893]
-  254    RCID_PATH            [RFC 1863]
-  255    ADVERTISER           [RFC 1863]
 =========================================================================