fix the example API usage in the README
fix the example API usage in the README

rmuhamedgaliev/config,jasonchaffee/config,malexandert/config,twitter-forks/config,typesafehub/config,chris-martin/hocon-python,leakingtapan/config,meln1k/config,wmudge/config,cprice404/config,Applied-Duality/config,shrutig/config,meln1k/config,yvvq/config,cprice404/config,melrief/config,zeq9069/config,shrutig/config,chris-martin/hocon-python,leakingtapan/config,wmudge/config,twitter-forks/config,Kaliber/config-ordered,malexandert/config,fpringvaldsen/config,melrief/config,fpringvaldsen/config,Applied-Duality/config,Rhinofly/config-ordered,yvvq/config,Rhinofly/config-ordered,zeq9069/config,roznalex/config,roznalex/config,typesafehub/config,rmuhamedgaliev/config,Kaliber/config-ordered,jasonchaffee/config