diff --git a/backend/templates/opportunity/goal_milestone.html b/backend/templates/opportunity/goal_milestone.html
index d3c788a5..94dfc465 100644
--- a/backend/templates/opportunity/goal_milestone.html
+++ b/backend/templates/opportunity/goal_milestone.html
@@ -35,7 +35,7 @@ Congratulations, {{ user.get_username }}!
     </tr>
     <tr>
       <td style="padding:8px 12px;border-bottom:1px solid #eee;font-weight:600;">Period</td>
-      <td style="padding:8px 12px;border-bottom:1px solid #eee;">{{ goal.period_start }} &ndash; {{ goal.period_end }}</td>
+      <td style="padding:8px 12px;border-bottom:1px solid #eee;">{{ goal.period_start }} to {{ goal.period_end }}</td>
     </tr>
   </tbody>
 </table>