Revert refund instruction message

lms/templates/dashboard/_dashboard_course_listing.html

@@ -15,6 +15,7 @@
   cert_name_long = course.cert_name_long
   if cert_name_long == "":
     cert_name_long = settings.CERT_NAME_LONG
+  billing_email = settings.PAYMENT_SUPPORT_EMAIL
 %>
 
 <%namespace name='static' file='../static_content.html'/>
@@ -118,7 +119,7 @@
       % elif show_refund_option:
         ## Translators: The course's name will be added to the end of this sentence.
         <a href="#unenroll-modal" class="unenroll" rel="leanModal" data-course-id="${course.id}" data-course-number="${course.number}" onclick="document.getElementById('track-info').innerHTML='${_("Are you sure you want to unregister from the verified {cert_name_long} track of").format(cert_name_long=cert_name_long)}';
-        document.getElementById('refund-info').innerHTML=gettext('You will be refunded the amount you paid.')">
+          document.getElementById('refund-info').innerHTML='${_("In order to request a refund for the amount you paid, you will need to send an email to {billing_email}.  Be sure to include your email and the course name.").format(billing_email=billing_email)}'">
           ${_('Unregister')}
         </a>
       % else: