rails_admin.rb:

 config.model 'Ticket' do
  list do
    field :date 
    field :client do
      label "Client Name"
    end
    field :root
    field :supplier
    field :fare 
  end
  edit do
    field :date 
    field :client do
      label "Client Name"
    end
    field :root
    field :supplier
    field :fare
    field :tax
    field :total
    field :sup_comm do
      label "Supplier Commission"
    end
    field :cli_comm do
      label "Client Commission"
    end 
  end
 end

Pretty long eh!