cartodb/lib/assets/javascripts/deep-insights/widgets/time-series/torque-render-range-info.tpl

<p class="CDB-Text CDB-Size-large u-iBlock">
  Selected from
</p>
<p class="CDB-Text CDB-Size-large u-secondaryTextColor u-iBlock">
  <%- timeFormatter(startDate) %>
  <%- dateFormatter(startDate) %>
</p>
<p class="CDB-Text CDB-Size-large u-iBlock">
  to
</p>
<p class="CDB-Text CDB-Size-large u-secondaryTextColor u-iBlock">
  <%- timeFormatter(endDate) %>
  <%- dateFormatter(endDate) %>
</p>