diff --git a/api-ref/src/docbkx/ch_blockstorage-api-v1.xml b/api-ref/src/docbkx/ch_blockstorage-api-v1.xml
index 2a98ddec1..a1de81773 100644
--- a/api-ref/src/docbkx/ch_blockstorage-api-v1.xml
+++ b/api-ref/src/docbkx/ch_blockstorage-api-v1.xml
@@ -110,4 +110,30 @@
             </wadl:resource>
         </wadl:resources>
     </section>
+    <section xml:id="os-quota-sets-v1">
+        <title>Quota sets extension (os-quota-sets)</title>
+        <para>Administrators only, depending on policy settings.
+        </para>
+        <para>
+            Shows, updates, and deletes quotas for a tenant.
+        </para>
+        <wadl:resources xmlns:wadl="http://wadl.dev.java.net/2009/02">
+            <wadl:resource href="../wadls/volume-api/src/v1/os-quota-sets-v1.wadl#tenant_id-quotas-cinder-v1">
+                <wadl:method href="#showQuota"/>
+                <wadl:method href="#updateQuota"/>
+                <wadl:method href="#deleteQuotas"/>
+            </wadl:resource>
+            <wadl:resource href="../wadls/volume-api/src/v1/os-quota-sets-v1.wadl#defaults-cinder-v1">
+                <wadl:method href="#getDefaults"/>
+            </wadl:resource>
+            <wadl:resource href="../wadls/volume-api/src/v1/os-quota-sets-v1.wadl#user_id-cinder-v1">
+                <wadl:method href="#showQuotaUser"/>
+                <wadl:method href="#updateQuotaUser"/>
+                <wadl:method href="#deleteQuotasUser"/>
+            </wadl:resource>
+            <wadl:resource href="../wadls/volume-api/src/v1/os-quota-sets-v1.wadl#user_id-detail-cinder-v1">
+                <wadl:method href="#showQuotaDetailUser"/>
+            </wadl:resource>
+        </wadl:resources>
+    </section>
 </chapter>