diff --git a/chapter09/usage.xml b/chapter09/usage.xml
index b249096c0..33890acd2 100644
--- a/chapter09/usage.xml
+++ b/chapter09/usage.xml
@@ -38,7 +38,7 @@
 2: reserved for customization, otherwise does the same as 3
 3: multi-user mode with networking
 4: reserved for customization, otherwise does the same as 3
-5: same as 4, it is usually used for GUI login (like X's <command>xdm</command> or KDE's <command>kdm</command>)
+5: same as 4, it is usually used for GUI login (like GNOME's <command>gdm</command> or LXDE's <command>lxdm</command>)
 6: reboot the computer</literallayout>
 
     <note>