diff --git a/api-ref/src/wadls/dataprocessing-api/src/v1.1/wadl/clusters.wadl b/api-ref/src/wadls/dataprocessing-api/src/v1.1/wadl/clusters.wadl
index dda05240d..5b8a6a11b 100644
--- a/api-ref/src/wadls/dataprocessing-api/src/v1.1/wadl/clusters.wadl
+++ b/api-ref/src/wadls/dataprocessing-api/src/v1.1/wadl/clusters.wadl
@@ -113,7 +113,7 @@
     <method name="PUT" id="clusters-scale">
         <wadl:doc xmlns="http://docbook.org/ns/docbook" xml:lang="EN"
             title="Scale cluster">
-            <para role="shortdesc">Scale a cluster.</para>
+            <para role="shortdesc">Scales a cluster.</para>
         </wadl:doc>
         <request>
             <representation mediaType="application/json">