diff --git a/chapter06/shadow.xml b/chapter06/shadow.xml
index a96b1b6c1..c2bafe0c9 100644
--- a/chapter06/shadow.xml
+++ b/chapter06/shadow.xml
@@ -105,7 +105,7 @@ administrative tasks. For a full explanation of what
 <filename>doc/HOWTO</filename> file within the unpacked source tree.
 If using Shadow support, keep in mind that programs which need to
 verify passwords (display managers, FTP programs, pop3 daemons, etc.)
-must be shadow-compliant. That is, they need to be able to work with
+must be Shadow-compliant. That is, they need to be able to work with
 shadowed passwords.</para>
 
 <para>To enable shadowed passwords, run the following command:</para>
@@ -328,7 +328,7 @@ from <filename>/etc/gshadow</filename> and then deletes the latter</para>
 <varlistentry id="pwck">
 <term><command>pwck</command></term>
 <listitem>
-<para>Verifies the integrity of the password files 
+<para>Verifies the integrity of the password files
 <filename>/etc/passwd</filename> and <filename>/etc/shadow</filename></para>
 <indexterm zone="ch-system-shadow pwck"><primary sortas="b-pwck">pwck</primary></indexterm>
 </listitem>
@@ -390,7 +390,7 @@ new-user information</para>
 <term><command>usermod</command></term>
 <listitem>
 <para>Is used to modify the given user's login name, User
-Identification (UID), 
+Identification (UID),
 shell, initial group, home directory, etc.</para>
 <indexterm zone="ch-system-shadow usermod"><primary sortas="b-usermod">usermod</primary></indexterm>
 </listitem>
@@ -408,7 +408,7 @@ shell, initial group, home directory, etc.</para>
 <varlistentry id="vipw">
 <term><command>vipw</command></term>
 <listitem>
-<para>Edits the <filename>/etc/passwd</filename> or 
+<para>Edits the <filename>/etc/passwd</filename> or
 <filename>/etc/shadow</filename> files</para>
 <indexterm zone="ch-system-shadow vipw"><primary sortas="b-vipw">vipw</primary></indexterm>
 </listitem>