http://bugs.gentoo.org/338466

--- a/doc/de/index.docbook
+++ b/doc/de/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
     <!ENTITY kding "<application>KDing</application>">
     <!ENTITY kappname "&kding;"><!-- Do *not* replace kappname-->
     <!ENTITY % addindex "IGNORE">
--- a/doc/en/index.docbook
+++ b/doc/en/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
     <!ENTITY kding "<application>KDing</application>">
     <!ENTITY kappname "&kding;"><!-- Do *not* replace kappname-->
     <!ENTITY % addindex "IGNORE">