diff --git a/doc/image-guide/section_centos-example.xml b/doc/image-guide/section_centos-example.xml
index 9eb7aeee13..303262145d 100644
--- a/doc/image-guide/section_centos-example.xml
+++ b/doc/image-guide/section_centos-example.xml
@@ -171,17 +171,24 @@
# virsh attach-disk --type cdrom --mode readonly centos-6.4 "" hdc
# virsh destroy centos-6.4
# virsh start centos-6.4
-
- In theory, you can use the virsh reboot centos-6.4 command
- instead of destroy and start commands. However, in our testing we were unable to
- reboot successfully using the virsh reboot command.
-
Log in to newly created image
When you boot for the first time after installation, you might be prompted about
authentication tools. Select Exit. Then, log in as root.
+
+ Install the ACPI service
+ To enable the hypervisor to reboot or shutdown an instance, you
+ must install and run the acpid service on the guest
+ system.
+ Run the following commands inside the CentOS guest to install the
+ ACPI service and configure it to start when the system
+ boots:
+ # yum install acpid
+# chkconfig acpid on
+
Configure to fetch metadata
An instance must interact with the metadata service to perform several tasks on start