update

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@15321 ee4ac58c-ac51-4696-9907-e4b3aa274f04

docs/manual.sgml

@@ -73,7 +73,7 @@
     </LEGALNOTICE>
     <ABSTRACT>
       <PARA>
-This document describes release 12 of &art; a DNA sequence viewer and
+This document describes release 13 of &art; a DNA sequence viewer and
 sequence annotation tool.
       </PARA>
     </ABSTRACT>