diff --git a/config-models/aether-4.x/files/yang/onf-traffic-class.yang b/config-models/aether-4.x/files/yang/onf-traffic-class.yang
index f4f6cdf..a592267 100755
--- a/config-models/aether-4.x/files/yang/onf-traffic-class.yang
+++ b/config-models/aether-4.x/files/yang/onf-traffic-class.yang
@@ -11,7 +11,7 @@
 
   organization "Open Networking Foundation.";
   contact "Scott Baker";
-  description 
+  description
     "The aether traffic class associates qos constants
      with a named class of service";
 
@@ -24,6 +24,7 @@
         type yg:yang-identifier {
             length 1..32;
         }
+    description "The typedef for traffic-class-id";
   }
 
   container traffic-class {
@@ -71,5 +72,5 @@
         description "description of this traffic class";
       }
     }
-  } 
+  }
 }