XEP-0186: Fix from/to in example 8

This is a pure editorial change.

xep-0186.xml

@@ -221,9 +221,9 @@
 ]]></example>
   <p>If the server supports the invisible command, it MUST return a feature of "urn:xmpp:invisible:1" &VNOTE;.</p>
   <example caption='Service discovery response'><![CDATA[
-<iq from='bilbo@tolkien.example/shire'
+<iq from='tolkien.example'
     id='d1sc0v3ry'
-    to='tolkien.example'
+    to='bilbo@tolkien.example/shire'
     type='result'>
   <query xmlns='http://jabber.org/protocol/disco#info'>
     <feature var='urn:xmpp:invisible:1'/>
@@ -294,7 +294,7 @@
 </section1>
 
 <section1 topic='Acknowledgements' anchor='ack'>
-  <p>Thanks to Philipp Hancke, Kevin Smith, and Matthew Wild for their feedback.</p>
+  <p>Thanks to Philipp Hancke, Kevin Smith, Matthew Wild and Ruslan N. Marchenko for their feedback.</p>
 </section1>
 
 </xep>