diff --git a/chapter06/introduction.xml b/chapter06/introduction.xml
index d9491ca22..2c8c6ff1b 100644
--- a/chapter06/introduction.xml
+++ b/chapter06/introduction.xml
@@ -64,9 +64,9 @@ condition="pdf">&blfs-root;view/svn/ introduction/important.html</phrase></ulink
 For a package management method specifically geared towards LFS, we recommend <ulink
 url="&hints-root;more_control_and_pkg_man.txt"/>.</para>
 
-<note><para>The remainder of this book is to be performed while logged
-in as user <emphasis>root</emphasis> and no longer as user
-<emphasis>lfs</emphasis>.</para></note>
+<note><para>The remainder of this book is to be performed while logged in as
+user <emphasis>root</emphasis> and no longer as user <emphasis>lfs</emphasis>.
+Also, double check that <envar>$LFS</envar> is set.</para></note>
 
 </sect1>