[system-administrators-guide] misc updates to preface

[stephenw]

commit f172a0be493e5a9a8f3bee1d1c90a7eef5e14fe9
Author: Stephen Wadeley <swadeley at redhat.com>
Date:   Wed Dec 10 07:51:49 2014 +0100

    misc updates to preface

 en-US/System_Administrators_Guide.xml |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/en-US/System_Administrators_Guide.xml b/en-US/System_Administrators_Guide.xml
index b818c43..5118f7d 100644
--- a/en-US/System_Administrators_Guide.xml
+++ b/en-US/System_Administrators_Guide.xml
@@ -11,14 +11,14 @@
     <title>Basic System Configuration</title>
     <partintro>
       <para>
-        This part covers basic system administration tasks such as keyboard configuration, date and time configuration, installation and initial setup of an NTP server, and managing users and groups.
+        This part covers basic system administration tasks such as keyboard configuration, date and time configuration, managing users and groups, and gaining privileges.
       </para>
     </partintro>
     <xi:include href="Opening_GUI_Applications.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
     <xi:include href="System_Locale_and_Keyboard_Configuration.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
     <xi:include href="Configuring_the_Date_and_Time.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
     <xi:include href="Managing_Users_and_Groups.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
-    <!-- Gaining Privileges -->
+    <!-- <xi:include href="Gaining_Privileges.xml" xmlns:xi="http://www.w3.org/2001/XInclude" /> -->
   </part>
   <part id="part-Package_Management">
     <title>Package Management</title>
@@ -44,7 +44,7 @@
     <title>Servers</title>
     <partintro>
       <para>
-        This part discusses various topics related to servers such as how to set up a Web server or share files and directories over the network.
+        This part discusses various topics related to servers such as how to set up a web server or share files and directories over a network.
       </para>
     </partintro>
     <xi:include href="Web_Servers.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />