<h3>Add a proposal</h3>

<%= form_for @proposal, url: {action: 'create'} do |f| %>
  <%= f.collection_select(:speaker_id, @speakers, :id, :name) %>
  <%= f.label(:title) %>
  <%= f.text_field(:title, :class => 'u-full-width medium-height') %>
  <%= f.label(:tags, 'Tags (comma-separated, max 3)') %>
  <%= f.text_field(:tag_list) %>
  <%= f.label(:body) %>
  <%= f.text_area(:body, class: 'u-full-width medium-height', placeholder: "For formatting, you can use Markdown! :-)") %>
  <%= recaptcha_tags %>
  <%= f.submit "Add proposal" %>
<% end %>

<p><%= link_to 'Back to Speaker Directory', speakers_path %></p>

<h3>Add a proposal</h3>

<%= form_for @proposal, url: {action: 'create'} do |f| %>
  <%= f.collection_select(:speaker_id, @speakers, :id, :name) %>
  <%= f.label(:title) %>
  <%= f.text_field(:title, :class => 'u-full-width medium-height') %>
  <%= f.label(:tags, 'Tags (comma-separated, max 3, e.g. "ruby, rails, testing")') %>
  <%= f.text_field(:tag_list) %>
  <%= f.label(:body) %>
  <%= f.text_area(:body, class: 'u-full-width medium-height', placeholder: "For formatting, you can use Markdown! :-)") %>
  <%= recaptcha_tags %>
  <%= f.submit "Add proposal" %>
<% end %>

<p><%= link_to 'Back to Speaker Directory', speakers_path %></p>

Add example to tags label
Add example to tags label

From https://twitter.com/nodunayo/status/1107579005925015555