Custom Policy references 2.6.0 AMP_RELEASE

Creating custom APIcast policies , section 4.5.2. Adding custom policies to the built-in APIcast  , step 4, "Create the OpenShift objects by running the command:" has the following

oc new-app -f openshift.yml --param AMP_RELEASE=2.6.0

But SaaS is tested with APIcast 3.7/3.8 ( based on Supported Configurations page). It is not clear why AMP_RELEASE 2.6.0 is being used here.