diff --git a/doc/en/index.docbook b/doc/en/index.docbook
index 239e679..ee2503c 100644
--- 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 V4.2-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 smb4k "<application>Smb4K</application>">
   <!ENTITY kappname "&smb4k;"><!-- Do *not* replace kappname-->
   <!ENTITY package "kde-module"><!-- tdebase, tdeadmin, etc -->