Mark DB2 backend as unsupported

diff --git a/pdns/docs/pdns.xml b/pdns/docs/pdns.xml
index daf7192c868860ec08bc3ead098187a7640f8a90..b891d33ddac4d81097cbcfbda494c3fb32033abf 100755 (executable)
--- a/pdns/docs/pdns.xml
+++ b/pdns/docs/pdns.xml
@@ -19081,6 +19081,7 @@ VALUES (:zoneid, :ip)
     </sect1>
     
     <sect1 id="db2"><title>DB2 backend</title>
+      <note><para>This backend is unsupported.</para></note>
       <para>
        <table>
          <title>DB2 backend capabilities</title>