Bug 279218 : Incorrect spelling: unpresidented should be unprecedented

docs/en/xml/security.xml

 <!-- <!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"> -->
-<!-- $Id: security.xml,v 1.3 2008/04/04 06:48:10 jake%bugzilla.org Exp $ -->
+<!-- $Id: security.xml,v 1.4 2008/04/04 06:48:11 travis%sedsystems.ca Exp $ -->
 
 <chapter id="security">
 <title>Bugzilla Security</title>
@@ -68,9 +68,10 @@
     <section id="security-os-chroot">
     <title>The <filename>chroot</filename> Jail</title>
     
-      <para>If your system supports it, you may wish to consider running
+      <para>
+        If your system supports it, you may wish to consider running
         Bugzilla inside of a <filename>chroot</filename> jail. This option
-      provides unpresidented security by restricting anything running
+        provides unprecedented security by restricting anything running
         inside the jail from accessing any information outside of it. If you
         wish to use this option, please consult the documentation that came
         with your system.