frenzy/lib/frenzy_web/templates/group/edit.html.eex

<h1>Edit Group</h1>

<%= form_for @changeset, Routes.group_path(@conn, :update, @group.id), fn f -> %>
  <div class="row mb-2">
    <label class="col-sm-2 col-form-label" for="title">Title</label>
    <div class="col-sm-10">
      <%= text_input f, :title, class: "form-control" %>
    </div>
  </div>
  <div class="mb-2">
    <div class="col-sm-10">
      <%= submit "Update Group", class: "btn btn-primary" %>
    </div>
  </div>
<% end %>