diff --git a/doc/da/index.docbook b/doc/da/index.docbook
index cfd5b6d..3ba4263 100644
--- a/doc/da/index.docbook
+++ b/doc/da/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.0//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!ENTITY kappname "&filelight;">
   <!ENTITY filelight "<application
 >Filelight</application
diff --git a/doc/es/index.docbook b/doc/es/index.docbook
index 7b52fe9..639db36 100644
--- a/doc/es/index.docbook
+++ b/doc/es/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.0//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!ENTITY kappname "&filelight;">
   <!ENTITY filelight "<application
 >Filelight</application
diff --git a/doc/et/index.docbook b/doc/et/index.docbook
index 0096d0c..517186b 100644
--- a/doc/et/index.docbook
+++ b/doc/et/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.0//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!ENTITY kappname "&filelight;">
   <!ENTITY filelight "<application
 >Filelight</application
diff --git a/doc/filelight/index.docbook b/doc/filelight/index.docbook
index 092eb6a..f68d7de 100644
--- a/doc/filelight/index.docbook
+++ b/doc/filelight/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.0//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!ENTITY kappname "&filelight;">
   <!ENTITY filelight "<application>Filelight</application>">
 
diff --git a/doc/it/index.docbook b/doc/it/index.docbook
index 9d63741..504eba5 100644
--- a/doc/it/index.docbook
+++ b/doc/it/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.0//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!ENTITY kappname "&filelight;">
   <!ENTITY filelight "<application
 >Filelight</application
diff --git a/doc/pt/index.docbook b/doc/pt/index.docbook
index a17f44d..c090313 100644
--- a/doc/pt/index.docbook
+++ b/doc/pt/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.0//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!ENTITY kappname "&filelight;">
   <!ENTITY filelight "<application
 >Filelight</application
diff --git a/doc/ru/index.docbook b/doc/ru/index.docbook
index 162b9e0..3bf34d2 100644
--- a/doc/ru/index.docbook
+++ b/doc/ru/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.0//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!ENTITY kappname "&filelight;">
   <!ENTITY filelight "<application
 >Filelight</application
diff --git a/doc/sv/index.docbook b/doc/sv/index.docbook
index d329b27..6ed9904 100644
--- a/doc/sv/index.docbook
+++ b/doc/sv/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.0//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!ENTITY kappname "&filelight;">
   <!ENTITY filelight "<application
 >Filelight</application