Rails syntax error unexpect ',' expecting => Omniauth Facebook

running to a syntax issue in my omniauth.rb file

OmniAuth.config.logger = Rails.logger

Rails.application.config.middleware.use OmniAuth::Builder do
 provider :facebook, Rails.application.secrets.facebook_app_id, Rails.application.secrets.facebook_app_secret,{scope: ‘public_profile’, info_fields: ‘id,name,link’}
end