diff --git a/config-models/aether-2.1.x/files/yang/service-rule.yang b/config-models/aether-2.1.x/files/yang/service-rule.yang
index 5dce127..b39c9e9 100755
--- a/config-models/aether-2.1.x/files/yang/service-rule.yang
+++ b/config-models/aether-2.1.x/files/yang/service-rule.yang
@@ -21,6 +21,7 @@
         type string {
             length 1..32;
         }
+    description "The typedef for service-rule-id";
   }
 
   container service-rule {
@@ -64,11 +65,11 @@
           leaf priority {
             type uint32 {
               range 0..15;
-            }          
+            }
             default 0;
             description
               "Priority";
-          }        
+          }
           leaf preemption-capability {
             type boolean;
             default true;
@@ -89,8 +90,8 @@
             type uint32 {
               range 0..4294967295;
             }
+	    units bps;
             default 0;
-            units bps;
             description
               "Upstream maximum requested bandwidth";
           }
@@ -98,11 +99,12 @@
             type uint32 {
               range 0..4294967295;
             }
-            default 0;
             units bps;
+            default 0;
             description
               "Downstream maximum requested bandwidth";
-          }        
+          }
+          description "The container for maximum-requested-bandwidth";
         }
 
         container guaranteed-bitrate {
@@ -110,8 +112,8 @@
             type uint32 {
               range 0..4294967295;
             }
-            default 0;
             units bps;
+            default 0;
             description
               "Upstream guaranteed bitrate";
           }
@@ -119,11 +121,12 @@
             type uint32 {
               range 0..4294967295;
             }
-            default 0;
             units bps;
+            default 0;
             description
               "Downstream guaranteed bitrate";
-          }        
+          }
+          description "The container for guaranteed-bitrate";
         }
 
         container aggregate-maximum-bitrate {
@@ -131,8 +134,8 @@
             type uint32 {
               range 0..4294967295;
             }
+	    units bps;
             default 0;
-            units bps;
             description
               "Upstream aggregate maximum bitrate";
           }
@@ -140,14 +143,16 @@
             type uint32 {
               range 0..4294967295;
             }
-            default 0;
             units bps;
+            default 0;
             description
               "Downstream aggregate maximum bitrate";
-          }        
+          }
+	  description "The container for aggregate-maximum-bitrate";
         }
+        description "The container for qos";
       }
-  
+
       container flow {
         leaf specification {
           type string {
@@ -155,6 +160,7 @@
           }
           description "specification of this flow";
         }
+        description "The container for flow";
       }
 
       leaf description {
@@ -162,7 +168,7 @@
           length 1..100;
         }
         description "description of this rule";
-      }      
+      }
     }
-  } 
+  }
 }