diff --git a/chapter06/libtool.xml b/chapter06/libtool.xml
index 5de045f40..3093b4164 100644
--- a/chapter06/libtool.xml
+++ b/chapter06/libtool.xml
@@ -50,7 +50,7 @@
 
 <screen><userinput remap="make">make</userinput></screen>
 
-    <para>To test the results (about 11.0 SBU), issue:</para>
+<para>To test the results<!--(about 11.0 SBU)-->, issue:</para>
 
 <screen><userinput remap="test">make check</userinput></screen>