For installation and set-up instructions, refer to the Installation and
Configuration section: http://docs.splunk.com/Documentation/AddOns/latest/BlueCoatPSG/Hardwareandsoftwarerequirements
should be changed to
http://docs.splunk.com/Documentation/AddOns/latest/BlueCoatProxySG/Hardwareandsoftwarerequirements
Thanks, filed ADDON-4178 to get this fixed.