diff --git a/chapter06/chapter06.xml b/chapter06/chapter06.xml
index ffc5e53a7..0ec5255ff 100644
--- a/chapter06/chapter06.xml
+++ b/chapter06/chapter06.xml
@@ -1,7 +1,7 @@
 <chapter id="chapter06">
 <title>Installing basic system software</title>
 
-&c6troduction;
+&c6-introduction;
 &c6-aboutdebug;
 &c6-bashprofile;
 &c6-chroot;