diff --git a/release/models/bgp/openconfig-bgp-types.yang b/release/models/bgp/openconfig-bgp-types.yang
index 42a9c87a7..45a686ab8 100644
--- a/release/models/bgp/openconfig-bgp-types.yang
+++ b/release/models/bgp/openconfig-bgp-types.yang
@@ -4,7 +4,7 @@ module openconfig-bgp-types {
   namespace "http://openconfig.net/yang/bgp-types";
 
   prefix "oc-bgp-types";
-
+  import openconfig-types { prefix "oc-types"; }
   import openconfig-inet-types { prefix "oc-inet"; }
   import openconfig-extensions { prefix "oc-ext"; }
 
@@ -689,8 +689,8 @@ module openconfig-bgp-types {
       POSIX extended regular expression with some limitations
       which are commonly found in device implementations described
       in draft-ietf-idr-bgp-model";
-    reference 
-      "https://datatracker.ietf.org/doc/html/draft-ietf-idr-bgp-model";
+    reference
+      "draft-ietf-idr-bgp-model";
   }
 
   typedef bgp-origin-attr-type {