diff --git a/openstack-compute-api-2/src/common.ent b/openstack-compute-api-2/src/common.ent
index 18609ff..9f60c74 100644
--- a/openstack-compute-api-2/src/common.ent
+++ b/openstack-compute-api-2/src/common.ent
@@ -13,6 +13,10 @@
             <representation mediaType="application/xml" element="csapi:serviceUnavailable"/>
             <representation mediaType="application/json"/>
         </response>
+        <response status="400" xmlns="http://wadl.dev.java.net/2009/02">
+            <representation mediaType="application/xml" element="csapi:badRequest"/>
+            <representation mediaType="application/json"/>
+        </response>
         <response status="401" xmlns="http://wadl.dev.java.net/2009/02">
             <representation mediaType="application/xml" element="csapi:unauthorized"/>
             <representation mediaType="application/json"/>
@@ -20,11 +24,7 @@
         <response status="403" xmlns="http://wadl.dev.java.net/2009/02">
             <representation mediaType="application/xml" element="csapi:forbidden"/>
             <representation mediaType="application/json"/>
-        </response>
-        <response status="400" xmlns="http://wadl.dev.java.net/2009/02">
-            <representation mediaType="application/xml" element="csapi:badRequest"/>
-            <representation mediaType="application/json"/>
-        </response>
+        </response>       
         <response status="405" xmlns="http://wadl.dev.java.net/2009/02">
             <representation mediaType="application/xml" element="csapi:badMethod"/>
             <representation mediaType="application/json"/>
@@ -52,6 +52,10 @@
         <response status="415" xmlns="http://wadl.dev.java.net/2009/02">
             <representation mediaType="application/xml" element="csapi:badMediaType"/>
             <representation mediaType="application/json"/>
+        </response>
+        <response status="422" xmlns="http://wadl.dev.java.net/2009/02">
+            <representation mediaType="application/xml" element="csapi:HTTPUnprocessableEntity"/>
+            <representation mediaType="application/json"/>
         </response>
            '>
       <!--
diff --git a/openstack-compute-api-2/src/os-compute-devguide.xml b/openstack-compute-api-2/src/os-compute-devguide.xml
index d2461df..3ba24d6 100755
--- a/openstack-compute-api-2/src/os-compute-devguide.xml
+++ b/openstack-compute-api-2/src/os-compute-devguide.xml
@@ -72,6 +72,17 @@
                     (<abbrev>API</abbrev>). </para>
         </abstract>
         <revhistory>
+            <revision>
+                <!-- ... continue addding more revisions here as you change this document using the markup shown below... -->
+                <date>2013-09-10</date>
+                <revdescription>
+                    <itemizedlist>
+                        <listitem>
+                            <para>Added the 422 return code to the reboot server operation.</para>
+                        </listitem>
+                    </itemizedlist>
+                </revdescription>
+            </revision>
             <revision>
                 <!-- ... continue addding more revisions here as you change this document using the markup shown below... -->
                 <date>2013-05-22</date>
@@ -2777,7 +2788,6 @@ Host: servers.api.openstack.org/v2/
                         JSON</title>
                     <programlisting language="json"><xi:include href="samples/changepassword.json" parse="text"/></programlisting>
                 </example>
-                <para/>
             </section>
             <?hard-pagebreak?>
             <section xml:id="Reboot_Server-d1e3371">
@@ -2813,7 +2823,9 @@ Host: servers.api.openstack.org/v2/
                         (<errorcode>405</errorcode>), overLimit
                         (<errorcode>413</errorcode>), itemNotFound
                         (<errorcode>404</errorcode>), badMediaType
-                        (<errorcode>415</errorcode>), buildInProgress
+                        (<errorcode>415</errorcode>),
+                    HTTPUnprocessableEntity
+                        (<errorcode>422</errorcode>) buildInProgress
                         (<errorcode>409</errorcode>) </simpara>
                 <informaltable frame="void">
                     <tbody>
@@ -2853,7 +2865,6 @@ Host: servers.api.openstack.org/v2/
                     <table rules="all">
                         <caption>Reboot Server Request
                             Attributes</caption>
-
                         <col width="20%"/>
                         <col width="60%"/>
                         <col width="20%"/>
diff --git a/openstack-compute-api-2/src/samples/changepassword.json b/openstack-compute-api-2/src/samples/changepassword.json
old mode 100644
new mode 100755