diff --git a/xml/tuning_kexec.xml b/xml/tuning_kexec.xml
index 9e2769e33e..6c0a0e5fa0 100644
--- a/xml/tuning_kexec.xml
+++ b/xml/tuning_kexec.xml
@@ -300,9 +300,11 @@ MaxHigh: 45824 </screen>
        <para>
         The maximum number of LUN kernel paths that you expect to ever create
         on the computer. Exclude multipath devices from this number, as these
-        are ignored.
+        are ignored. To get the <emphasis>current</emphasis> number of LUNs available on your
+        system, run the following command:
        </para>
       </formalpara>
+<screen>&prompt.user; cat /proc/scsi/scsi | grep Lun | wc -l</screen>
      </listitem>
     </itemizedlist>
    </step>