diff --git a/docs/index.docbook b/docs/index.docbook
index d05fa49cc..3c817620f 100644
--- a/docs/index.docbook
+++ b/docs/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.5-Based Variant V1.1//EN" "dtd/kdedbx45.dtd" [
   <!ENTITY dolphin "<application>Dolphin</application>">
   <!ENTITY kappname "&dolphin;">
   <!ENTITY package "kde-baseapps">