diff --git a/chapter06/udev.xml b/chapter06/udev.xml
index 20d3eb98c..61648af30 100644
--- a/chapter06/udev.xml
+++ b/chapter06/udev.xml
@@ -47,7 +47,7 @@
 <screen><userinput remap="pre">tar -xvf ../&udev-config;.tar.bz2</userinput></screen>
 
     <para>The udev-testfiles tarball contains files needed to test udev. The 
-    file expands to an apparant size of about 37MB but the actual disk usage
+    file expands to an apparent size of about 37MB but the actual disk usage
     is less than 7MB.</para>
 
 <screen><userinput remap="pre">tar -xvf ../udev-&udev-version;-testfiles.tar.bz2 --strip-components=1</userinput></screen>