diff --git a/chapter06/shadow.xml b/chapter06/shadow.xml
index c2bafe0c9..094ccbed4 100644
--- a/chapter06/shadow.xml
+++ b/chapter06/shadow.xml
@@ -144,7 +144,7 @@ by running:</para>
 groupadd, groupdel, groupmod, groups, grpck, grpconv, grpunconv, lastlog, login,
 logoutd, mkpasswd, newgrp, newusers, passwd, pwck, pwconv, pwunconv, sg
 (link to newgrp), useradd, userdel, usermod, vigr (link to vipw), and vipw</seg>
-<seg>libshadow[.a,so]</seg>
+<seg>libshadow.[a,so]</seg>
 </seglistitem>
 </segmentedlist>