Fix README typo: CHEF_DRIVER env variable
Fix README typo: CHEF_DRIVER env variable
zakeeruddin21/chef-provisioning-docker,yazgoo/chef-provisioning-docker,yazgoo/chef-provisioning-docker,marc-/chef-provisioning-docker,chef/chef-provisioning-docker,marc-/chef-provisioning-docker,zakeeruddin21/chef-provisioning-docker,chef/chef-provisioning-docker