vty-ref: Update URI of docbook 5.0 schema
... to match the /etc/xml/catalog file on debian (no "www" in hostname)
Change-Id: Id9f3579c7f2bc3af13fe30b5268f249b6f59ed0d
diff --git a/doc/manuals/osmohlr-vty-reference.xml b/doc/manuals/osmohlr-vty-reference.xml
index 948f5f9..11633fd 100644
--- a/doc/manuals/osmohlr-vty-reference.xml
+++ b/doc/manuals/osmohlr-vty-reference.xml
@@ -3,8 +3,8 @@
ex:ts=2:sw=42sts=2:et
-*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
-->
-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook V5.0//EN"
-"http://www.docbook.org/xml/5.0/dtd/docbook.dtd" [
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML 5.0//EN"
+"http://docbook.org/xml/5.0/dtd/docbook.dtd" [
<!ENTITY chapter-vty SYSTEM "../common/chapters/vty.xml" >
<!ENTITY sections-vty SYSTEM "generated/docbook_vty.xml" >
]>