app/views/comment_notification_mailer/mention_notification.md.erb
Hello!
<%= @comment.user.name %> mentioned you in an internal comment on the proposal '<%= @proposal.title %>':
> <%= simple_format(@comment.body).gsub(@mention, "<strong>#{@mention}</strong>").html_safe %>
<%= md_link_to 'View the proposal', event_staff_proposal_url(@proposal.event, @proposal) %>
<%= render 'notification_preference_message' %>