readme: Improve accuracy of `KUBE_PS1_*` variable documentation

jonmosco / kube-ps1

Kubernetes prompt info for bash and zsh

Apache License 2.0

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Closed hyperupcall closed 9 months ago

hyperupcall commented 10 months ago

This fixes a typo - KUBE_PS1_BINARY=oc sets a shell variable, not an environment variable.

And just a heads up, CONTRIBUTING.md seems to be blank.