Fix typo in configuration docs
Fix typo in configuration docs

Signed-off-by: Anders Eknert <dfdb7392591db597bc41cf266a9c3bc12a2706e5@eknert.com>

open-policy-agent/opa,open-policy-agent/opa,open-policy-agent/opa,open-policy-agent/opa,open-policy-agent/opa,open-policy-agent/opa