diff --git a/chapter06/module-init-tools.xml b/chapter06/module-init-tools.xml
index 728317c56..1a92525f8 100644
--- a/chapter06/module-init-tools.xml
+++ b/chapter06/module-init-tools.xml
@@ -38,7 +38,7 @@
     <para>First correct a potential problem when modules are specified 
     using regular expressions:</para>
 
-<screen><userinput>patch -Np1 -i ../module-init-tools-&module-init-tools-version;-modeprobe-1.patch</userinput></screen>
+<screen><userinput>patch -Np1 -i ../module-init-tools-&module-init-tools-version;-modprobe-1.patch</userinput></screen>
 
     <para>Issue the following commands to perform the tests (note that the
     <command>make distclean</command> command is required to clean up the source