app/views/submission_comments/_form.html.erb
<div class="discussion-comment">
<div class="pic">
<%= link_to participant_path(current_participant) do %>
<%= concept(Image::Cell,current_participant) %>
<% end %>
</div>
<%= form_for [submission, submission.submission_comments.build], html: { class: "add-comment", id: "new_comment" } do |f| %>
<%= f.text_area :comment_markdown, placeholder: "Add a comment..." %>
<%= f.submit 'Add comment', class: 'btn btn-primary pull-right' %>
<p class='markdown-instructions'>You can use
<a href="https://kramdown.gettalong.org/">kramdown</a> in this field.
</p>
<% end %>
</div>