diff --git a/doc/en/index.docbook b/doc/en/index.docbook
index d1db5a5..835ca7a 100644
--- a/doc/en/index.docbook
+++ b/doc/en/index.docbook
@@ -50,7 +50,7 @@
 <title>Introduction</title>
 
 <para>Welcome to &tdesudo;! &tdesudo; is a graphical front end for the
-<command>su</command> command for the K Desktop Environment.
+<command>su</command> command for the Trinity Desktop Environment.
 It allows you to run a program as different user if the sys admin allows
 it. &tdesudo; is an unprivileged program; it uses
 the system's <command>sudo</command> command.</para>