diff --git a/v1/src/samples/os-volume-1.wadl b/v1/src/samples/os-volume-1.wadl
index 8a54548..e45464e 100644
--- a/v1/src/samples/os-volume-1.wadl
+++ b/v1/src/samples/os-volume-1.wadl
@@ -171,7 +171,7 @@
     </method>
 
     <method name="GET" id="getVolumesSimple">
-        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="E" title="List Volumes">
+        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN" title="List Volumes">
             <p xmlns="http://www.w3.org/1999/xhtml">View a list of volumes.</p>
         </wadl:doc>
         <response status="200">
@@ -189,7 +189,7 @@
     </method>
 
     <method name="GET" id="getVolumesDetail">
-        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="E"
+        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN"
             title="List Volumes (Detailed)">
             <p xmlns="http://www.w3.org/1999/xhtml">View a list of detailed Volume entities.</p>
 
@@ -211,7 +211,7 @@
     </method>
 
     <method name="GET" id="getVolume">
-        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="E" title="Show Volume">
+        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN" title="Show Volume">
             <p xmlns="http://www.w3.org/1999/xhtml">View all information about a single Volume.</p>
         </wadl:doc>
         <request>
@@ -232,14 +232,14 @@
 
 
     <method name="DELETE" id="deleteVolume">
-        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="E" title="Delete Volume">
+        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN" title="Delete Volume">
             <p xmlns="http://www.w3.org/1999/xhtml">Delete a single Volume.</p>
         </wadl:doc>
         <response status="202" />
     </method>
 
     <method name="GET" id="getVolumeTypes">
-        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="E" title="List Volume Types">
+        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN" title="List Volume Types">
             <p xmlns="http://www.w3.org/1999/xhtml">Request a list of Volume Types.</p>
         </wadl:doc>
         <response status="200">
@@ -262,7 +262,7 @@
     </method>
 
     <method name="GET" id="getVolumeType">
-        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="E" title="Describe Volume Type">
+        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN" title="Describe Volume Type">
             <p xmlns="http://www.w3.org/1999/xhtml">Request a single Volume Type.</p>
 
         </wadl:doc>
@@ -282,7 +282,7 @@
     </method>
 
     <method name="POST" id="createSnapshot">
-        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="E"
+        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN"
             title="Create Snapshot">
             <p class="shortdesc" xmlns="http://www.w3.org/1999/xhtml">Create a Snapshot.</p>
         </wadl:doc>
@@ -356,7 +356,7 @@
     </method>
 
     <method name="GET" id="getSnapshotsSimple">
-        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="E"
+        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN"
             title="List Snapshots">
             <p xmlns="http://www.w3.org/1999/xhtml">
                 View a list of simple Snapshot entities.
@@ -377,7 +377,7 @@
     </method>
 
     <method name="GET" id="getSnapshotsDetail">
-        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="E"
+        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN"
             title="List Snapshots (Detailed)">
             <p xmlns="http://www.w3.org/1999/xhtml">
                 View a list of detailed Snapshot entities.
@@ -399,7 +399,7 @@
 
 
     <method name="GET" id="getSnapshot">
-        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="E"
+        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN"
             title="Show Snapshot">
             <p xmlns="http://www.w3.org/1999/xhtml">
                 View all information about a single Snapshot.
@@ -420,7 +420,7 @@
     </method>
 
     <method name="DELETE" id="deleteSnapshot">
-        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="E"
+        <wadl:doc xmlns="http://www.w3.org/1999/xhtml" xml:lang="EN"
             title="Delete Snapshot">
             <p xmlns="http://www.w3.org/1999/xhtml">Delete a single Snapshot.</p>
         </wadl:doc>