Corrects X-Object-Meta-name description

The description for X-Object-Meta-name incorrectly specifies
it as container metadata. This is however object metadata.
This patch corrects it.

Change-Id: Ie0556c9bc00081c5ad8fabde8ce29dc36948a7be
Closes-Bug: #1331345

api-ref/src/wadls/object-api/src/common.ent

@@ -336,7 +336,7 @@ include them in this header.</para>
     type="xsd:string">
     <wadl:doc xmlns="http://docbook.org/ns/docbook"
         xmlns:wadl="http://wadl.dev.java.net/2009/02" xml:lang="EN"
-            ><para>The container metadata, where <code>&name;</code>
+            ><para>The object metadata, where <code>&name;</code>
             is the name of the metadata item.</para>
         <para>You must specify a <code>X-Object-Meta-&name;</code>
             header for each metadata item (for each