diff --git a/models/tapi/src/main/yang/tapi-common@2018-03-07.yang b/models/tapi/src/main/yang/tapi-common@2018-03-07.yang
index 05c668b..f0a6f36 100644
--- a/models/tapi/src/main/yang/tapi-common@2018-03-07.yang
+++ b/models/tapi/src/main/yang/tapi-common@2018-03-07.yang
@@ -2,10 +2,10 @@
     namespace "urn:onf:otcc:yang:tapi-common";
     prefix tapi-common;
     organization "ONF OTCC (Open Transport Configuration & Control) Project";
-    contact "
-        Project Web: <https://wiki.opennetworking.org/display/OTCC/TAPI>
-        Project List: <mailto:transport-api@opennetworking.org>
-        Editor: Karthik Sethuraman
+    contact "
+        Project Web: <https://wiki.opennetworking.org/display/OTCC/TAPI>
+        Project List: <mailto:transport-api@opennetworking.org>
+        Editor: Karthik Sethuraman
                 <mailto:karthik.sethuraman@necam.com>";
     description "
         This module contains TAPI Common Model definitions.
@@ -14,11 +14,11 @@
         License: This module is distributed under the Apache License 2.0
         ";
     revision 2018-03-07 {
-        description "ONF Transport API version 2.0.2
-        This YANG module has been generated from the TAPI UML Model using the IISOMI-Eagle xmi2yang mapping tool version .
-        <https://wiki.opennetworking.org/display/OIMT/IISOMI>
+        description "ONF Transport API version 2.0.2
+        This YANG module has been generated from the TAPI UML Model using the IISOMI-Eagle xmi2yang mapping tool version .
+        <https://wiki.opennetworking.org/display/OIMT/IISOMI>
         Changes in this revision: <https://github.com/OpenNetworkingFoundation/TAPI/blob/develop/change-log.md>";
-        reference "ONF-TR-527, ONF-TR-512, ONF-TR-531, RFC 6020, RFC 6087 and ONF TAPI UML model
+        reference "ONF-TR-527, ONF-TR-512, ONF-TR-531, RFC 6020, RFC 6087 and ONF TAPI UML model
                   <https://github.com/OpenNetworkingFoundation/TAPI/tree/develop/UML>";
     }
 
@@ -30,7 +30,9 @@
             type leafref {
                 path '/tapi-common:context/tapi-common:service-interface-point/tapi-common:uuid';
             }
+            description "none";
         }
+        description "none";
     }
 
     /***********************
@@ -276,13 +278,13 @@
                 }
                 enum POTENTIAL_AVAILABLE {
                     description "The supporting resources are present in the network but are shared with other clients; or require further configuration before they can be used; or both.
-                        o    When a potential resource is configured and allocated to a client it is moved to the “installed” state for that client.
-                        o    If the potential resource has been consumed (e.g. allocated to another client) it is moved to the “planned” state for all other clients.";
+                        o    When a potential resource is configured and allocated to a client it is moved to the installed state for that client.
+                        o    If the potential resource has been consumed (e.g. allocated to another client) it is moved to the planned state for all other clients.";
                 }
                 enum POTENTIAL_BUSY {
                     description "The supporting resources are present in the network but are shared with other clients; or require further configuration before they can be used; or both.
-                        o    When a potential resource is configured and allocated to a client it is moved to the “installed” state for that client.
-                        o    If the potential resource has been consumed (e.g. allocated to another client) it is moved to the “planned” state for all other clients.";
+                        o    When a potential resource is configured and allocated to a client it is moved to the installed state for that client.
+                        o    If the potential resource has been consumed (e.g. allocated to another client) it is moved to the planned state for all other clients.";
                 }
                 enum INSTALLED {
                     description "The resource is present in the network and is capable of providing the service expected.";