diff --git a/chapter06/procps.xml b/chapter06/procps.xml
index ea26619d1..e667e63e7 100644
--- a/chapter06/procps.xml
+++ b/chapter06/procps.xml
@@ -55,7 +55,7 @@
     make-&make-version;:</para>
 
 <screen><userinput remap="pre">sed -i -e 's@\*/module.mk@proc/module.mk ps/module.mk@' \
-       -e 's@^#SKIP/SKIP/' Makefile</userinput></screen>
+       -e 's@^#SKIP@SKIP@' Makefile</userinput></screen>
 
     <para>Compile the package:</para>