app/views/comment_notification_mailer/reviewer_notification.md.erb
Hello!
A comment has been left on the proposal '<%= @proposal.title %>' for <%= @proposal.event.name %>:
> <%= simple_format(@comment.body) %>
<%= md_link_to 'View the proposal', event_staff_proposal_url(@proposal.event, @proposal) %>
<%= render 'notification_preference_message' %>