diff --git a/chapter06/nettools-inst.xml b/chapter06/nettools-inst.xml
index 663b75c4e..31c14d39b 100644
--- a/chapter06/nettools-inst.xml
+++ b/chapter06/nettools-inst.xml
@@ -1,11 +1,6 @@
 <sect2>
 <title>Installation of Net-tools</title>
 
-<para>
-The <filename>Makefile</filename> file CFLAGS variable has to be edited
-if compiler optimizations should be added.
-</para>
-
 <para>
 Install Net-tools by running the following commands:
 </para>