<%= form_with(model: [:admin, course]) do |form| %> <% if course.errors.any? %>

<%= pluralize(course.errors.count, "error") %> prohibited this admin_course from being saved:

<% end %>
<%= form.label :name %> <%= form.text_field :name, class: 'form-control' %>
<%= form.label :description %> <%= form.text_area :description, class: 'form-control' %>
<%= form.submit 'Zapisz', class: 'btn btn-primary' %> <% end %>