<div class="reminder-bar" id="js-reminder-bar">
  <div class="container">
    <span class="reminder-bar__title">{{ title }}{% if subtitle %} | {{ subtitle }}{% endif %}</span>
    <span class="reminder-bar__year">{{ year }}</span>
  </div>
</div>

<div class="reminder-bar" id="js-reminder-bar">
  <div class="container">
    <span class="reminder-bar__title">{{ title }}{% if subtitle %} &mdash; {{ subtitle }}{% endif %}</span>
    <span class="reminder-bar__year">{{ year }}</span>
  </div>
</div>

Replace pipe with em dash in reminder bar
Replace pipe with em dash in reminder bar
