diff --git a/Manuals/Tcpi-ug/Configurations/Ppp.docbook b/Manuals/Tcpi-ug/Configurations/Ppp.docbook
index da0d5fc..b373e05 100644
--- a/Manuals/Tcpi-ug/Configurations/Ppp.docbook
+++ b/Manuals/Tcpi-ug/Configurations/Ppp.docbook
@@ -3,6 +3,7 @@
     <title>Dial-up Server Configuration</title>
 
     &configurations-ppp-intro;
-    &configurations-ppp-modem;
+    &configurations-ppp-modem-install;
+    &configurations-ppp-modem-config;
 
 </chapter>