anchor.diff:  <div class="row">
     <div class="col-md-12">
       <%= f.button class: 'btn btn-primary btn-block t-preview' do %>
  -      Preview booking request at <%= location.name %>
  +      Preview appointment at <%= location.name %>
       <% end %>
     </div>
   </div>
  
positive.code: 
      <div class="row">
        <div class="col-md-12">
          <h2 class="h3">Desired slots</h2>
          <% @grouped_slots ||= slots_by_month(slots) %>
          <div class="form-group col-md-4">
            <%= f.label :first_choice_slot %>
  
negative.code:         <div class="form-group">
            <%= f.label :additional_info %>
            <%= f.text_area :additional_info, class: 'form-control t-additional-info', rows: 5, maxlength: 500 %>
            <div class="help-block">eg accessibility adjustments</div>
          </div>
          <div class="form-group">
            <%= f.label :where_you_heard, 'Where did you first hear of Pension Wise?' %>
  