diff --git a/Manuals/Tcar-ug/Preface.docbook b/Manuals/Tcar-ug/Preface.docbook
index 5ebf6ba..facaaef 100644
--- a/Manuals/Tcar-ug/Preface.docbook
+++ b/Manuals/Tcar-ug/Preface.docbook
@@ -64,8 +64,8 @@
         help.
     </para>
 
-    &intro-history;
-    &intro-docconvs;
-    &intro-feedback;
+    &preface-history;
+    &preface-docconvs;
+    &preface-feedback;
 
 </preface>