diff --git a/doc/security-guide/ch055_security-services-for-instances.xml b/doc/security-guide/ch055_security-services-for-instances.xml
index b28aac3c9e..f49970fb8c 100644
--- a/doc/security-guide/ch055_security-services-for-instances.xml
+++ b/doc/security-guide/ch055_security-services-for-instances.xml
@@ -100,7 +100,7 @@ wget http://mirror.anl.gov/pub/ubuntu-iso/CDs/precise/SHA256SUMS.gpg
 gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0xFBB75451
 gpg --verify SHA256SUMS.gpg SHA256SUMSsha256sum -c SHA256SUMS 2>&1 | grep OK
         </screen>
-        <para>The second option is to use the <link xlink:href="http://docs.openstack.org/trunk/image-guide/content/"><citetitle>OpenStack Virtual Maschine Image Guide</citetitle></link>. In this case, you will want to follow your organizations OS hardening guidelines or those provided by a trusted third-party such as the <link xlink:href="http://iase.disa.mil/stigs/os/unix/red_hat.html">RHEL6 STIG</link>.</para>
+        <para>The second option is to use the <link xlink:href="http://docs.openstack.org/trunk/image-guide/content/"><citetitle>OpenStack Virtual Machine Image Guide</citetitle></link>. In this case, you will want to follow your organizations OS hardening guidelines or those provided by a trusted third-party such as the <link xlink:href="http://iase.disa.mil/stigs/os/unix/red_hat.html">RHEL6 STIG</link>.</para>
         <para>The final option is to use an automated image builder. The following example uses the Oz image builder. The OpenStack community has recently created a newer tool worth investigating: disk-image-builder. We have not evaluated this tool from a security perspective.</para>
         <para>Example of RHEL 6 CCE-26976-1 which will help implement NIST 800-53 Section <emphasis>AC-19(d) in</emphasis> Oz.</para>
         <screen>