diff --git a/Manuals/HowTos/Dialup/Preface/overview.docbook b/Manuals/HowTos/Dialup/Preface/overview.docbook
index 962fa81..7eb91f9 100755
--- a/Manuals/HowTos/Dialup/Preface/overview.docbook
+++ b/Manuals/HowTos/Dialup/Preface/overview.docbook
@@ -16,7 +16,19 @@
     </para>
     
     <para>
-        The configuration described in this chapter could be a good
+        The infrastructure described in this chapter is made available
+        to you free of charge, however, you should know that
+        maintaining it costs both money and time. For example, for
+        each hour the server computer is on production there is an
+        electrical consume that need to be paid every month.
+        Likewise, each call that you establish from the client
+        computer to the server computer will cost you money, based on
+        the location you made the call from and the time you spend
+        connected.
+    </para>
+
+    <para>
+        The infrastructure described in this chapter could be a good
         choise when the only communication medium you have access to
         is a telephone network.
     </para>