Steps to reproduce

1. https://console.redhat.com/openshift/downloads#tool-kn (link broken in staging & prod).
2. In row for "Knative command-line interface for OpenShift Serverless (kn)" set dropdowns to MacOS, x86_64.
3. Click Download button

Actual behavior

https://mirror.openshift.com/pub/openshift-v4/clients/serverless/latest/kn-macos-amd64.tar.gz
"File not found"

Expected behavior

Should download successfully.
The file got renamed "macos"->"darwin" at some point to https://mirror.openshift.com/pub/openshift-v4/clients/serverless/latest/kn-darwin-amd64.tar.gz