Tweak wording and formatting on REPL example
Tweak wording and formatting on REPL example

open-policy-agent/opa,tsandall/opa,open-policy-agent/opa,open-policy-agent/opa,tsandall/opa,open-policy-agent/opa,Eva-xiaohui-luo/opa,tsandall/opa,timothyhinrichs/opa,timothyhinrichs/opa,timothyhinrichs/opa,Eva-xiaohui-luo/opa,Eva-xiaohui-luo/opa,open-policy-agent/opa,tsandall/opa,timothyhinrichs/opa,tsandall/opa,open-policy-agent/opa,tsandall/opa,timothyhinrichs/opa