diff --git a/LDP/howto/docbook/OLSR-IPv6-HOWTO/OLSR-IPv6-HOWTO.xml b/LDP/howto/docbook/OLSR-IPv6-HOWTO/OLSR-IPv6-HOWTO.xml
index 9ac1c72e..d3898a55 100644
--- a/LDP/howto/docbook/OLSR-IPv6-HOWTO/OLSR-IPv6-HOWTO.xml
+++ b/LDP/howto/docbook/OLSR-IPv6-HOWTO/OLSR-IPv6-HOWTO.xml
@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-   "DTD/docbookx.dtd" []>
-  <!--  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" []>  -->  
+   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
  
 <article>
   <articleinfo>