1 files changed, 1 insertions, 1 deletions
diff --git a/index.xml b/index.xml
index 4a997ff74..32e0dd227 100644
--- a/index.xml
+++ b/index.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
   <!ENTITY % general-entities SYSTEM "general.ent">
   %general-entities;
 ]>