XEP-0234: Specify session-info instead of transport-info

Fixes xsf#154

xep-0234.xml

@@ -440,7 +440,7 @@ Initiator                    Responder
   </jingle>
 </iq>]]></example>
     <p>Note: Inclusion of the &lt;range/&gt; child of the &lt;file/&gt; element indicates that the initiator supports ranged transfers as described below under <link url='#range'>Ranged Transfers</link>.</p>
-    <p>Note: Computing the hash of the file before sending it can slow down the process of file transfer, because the sending application needs to process the file twice. The File Sender might prefer to send the hash after the file transfer has begun, using a transport-info message as described under <link url='#hash'>Checksum</link>.</p>
+    <p>Note: Computing the hash of the file before sending it can slow down the process of file transfer, because the sending application needs to process the file twice. The File Sender might prefer to send the hash after the file transfer has begun, using a session-info message as described under <link url='#hash'>Checksum</link>.</p>
     <p>The responder immediately acknowledges receipt of the Jingle session-initiate.</p>
     <example caption="Responder acknowledges session-initiate"><![CDATA[
 <iq from='juliet@capulet.example/yn0cl4bnw0yr3vym'