[system-administrators-guide] typo

[stephenw]

commit 42be0f3910b28653fded11a52ad4f13c5dfb80ae
Author: Stephen Wadeley <swadeley at redhat.com>
Date:   Thu Jul 31 12:37:54 2014 +0200

    typo

 en-US/PackageKit.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/en-US/PackageKit.xml b/en-US/PackageKit.xml
index 77c3e99..2b10568 100644
--- a/en-US/PackageKit.xml
+++ b/en-US/PackageKit.xml
@@ -179,7 +179,7 @@
     <section
       id="sec-Refreshing_Software_Sources_Yum_Repositories">
       <title>Refreshing Software Sources (Yum Repositories)</title>
-      <para>To enable or disable a <application>Yum</application> repository, open a dialog box by sclicking <menuchoice><guimenu>System</guimenu><guimenuitem>Software Sources</guimenuitem></menuchoice>, and select the <guilabel>Software Sources</guilabel> tab. See <xref linkend="sec-Setting_preferences_for_software_sources" /> for more information on available configuration options.</para>
+      <para>To enable or disable a <application>Yum</application> repository, open a dialog box by clicking <menuchoice><guimenu>System</guimenu><guimenuitem>Software Sources</guimenuitem></menuchoice>, and select the <guilabel>Software Sources</guilabel> tab. See <xref linkend="sec-Setting_preferences_for_software_sources" /> for more information on available configuration options.</para>
       <para>After enabling and/or disabling the correct <application>Yum</application> repositories, make sure that you have the latest list of available packages. Click on <menuchoice><guimenu>System</guimenu><guimenuitem>Refresh Package Lists</guimenuitem></menuchoice> and <application>PackageKit</application> will obtain the latest lists of packages from all enabled software sources, that is, <application>Yum</application> repositories.</para>
     </section>
     <section