grecia/app/views/admin/budget_investment_milestones/_form.html.erb

<%= form_for [:admin, @investment.budget, @investment, @milestone] do |f| %>

  <%= f.text_field :title, maxlength: Budget::Investment::Milestone.title_max_length %>
  <%= f.text_area :description, rows: 5 %>

  <%= f.submit nil, class: "button success" %>
<% end %>