Index: BOOK/postlfs/security/linux-pam.xml
===================================================================
--- BOOK/postlfs/security/linux-pam.xml	(revision 21509)
+++ BOOK/postlfs/security/linux-pam.xml	(working copy)
@@ -132,7 +132,7 @@
       the following command.
     </para>
 
-<screen><userinput>tar -xf ../Linux-PAM-&linux-pam-docs-version;-docs.tar.bz2 --strip-components=1</userinput></screen>
+<screen><userinput>tar -xf ../Linux-PAM-&linux-pam-docs-version;-docs.tar.xz --strip-components=1</userinput></screen>
 
     <para>
       If you instead want to regenerate the documentation, fix the