app/views/devise/devise_authy/verify_authy_installation.html.erb
<h2><%= I18n.t('authy_verify_installation_title', {:scope => 'devise'}) %></h2>
<%= verify_authy_installation_form do %>
<legend><%= I18n.t('submit_token_title', {:scope => 'devise'}) %></legend>
<%= label_tag :token %>
<%= text_field_tag :token, "", :autocomplete => :off, :id => 'authy-token' %>
<%= authy_request_sms_link %>
<%= submit_tag I18n.t('enable_my_account', {:scope => 'devise'}), :class => 'btn' %>
<% end %>