[securityguide] Fixed systemd text as per BZ 1126633

[Eric Christensen]

commit 17bbdf5e001c2e143d3a722b6afb9998bed99952
Author: Eric H Christensen <sparks at redhat.com>
Date:   Tue Aug 5 10:26:35 2014 -0400

    Fixed systemd text as per BZ 1126633

 en-US/Security_Updates.xml |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/en-US/Security_Updates.xml b/en-US/Security_Updates.xml
index 63c7906..54acfdd 100644
--- a/en-US/Security_Updates.xml
+++ b/en-US/Security_Updates.xml
@@ -143,15 +143,15 @@
 					</listitem>
 				</varlistentry>
 				<varlistentry>
-					<term>SysV Services</term>
+					<term>Systemd Services</term>
 					<listitem>
 						<para>
-							SysV services are persistent server programs launched during the boot process. Examples of SysV services include <command>sshd</command>, <command>vsftpd</command>, and <command>xinetd</command>.
+							Systemd services are persistent server programs launched during the boot process. Examples of Systemd services include <command>sshd</command>, <command>vsftpd</command>, and <command>xinetd</command>.
 						</para>
 						<para>
-							Because these programs usually persist in memory as long as the machine is booted, each updated SysV service must be halted and relaunched after the package is upgraded. This can be done using the <application>Services Configuration Tool</application> or by logging into a root shell prompt and issuing the <command>/sbin/service</command> command as in the following example:
+							Because these programs usually persist in memory as long as the machine is booted, each updated Systemd service must be halted and relaunched after the package is upgraded. This can be done by logging into a root shell prompt and issuing the <command>/usr/bin/systemctl</command> command as in the following example:
 						</para>
-<screen><command>/sbin/service <replaceable>&lt;service-name&gt;</replaceable> restart</command></screen>
+<screen><command>/usr/bin/systemctl restart <replaceable>&lt;service-name&gt;</replaceable></command></screen>
 						<para>
 							In the previous example, replace <replaceable>&lt;service-name&gt;</replaceable> with the name of the service, such as <command>sshd</command>.
 						</para>