corrected the date

git-svn-id: file:///home/ksmith/gitmigration/svn/xmpp/trunk@3932 4b5297f7-1745-476d-ba37-a9c6900126ab

xep-0028.xml

@@ -20,7 +20,7 @@
   &dizzyd;
   <revision>
     <version>0.1</version>
-    <date>2001-09-20</date>
+    <date>2001-08-20</date>
     <initials>none</initials>
     <remark><p>No such specification.</p></remark>
   </revision>