Fixed typo in template

netbox/templates/dcim/virtualchassis_edit.html

@@ -57,7 +57,7 @@
                                         </td>
                                         <td>
                                             {% if device.serial %}
-                                                {{ device.serial }}}
+                                                {{ device.serial }}
                                             {% else %}
                                                 <span class="text-muted">N/A</span>
                                             {% endif %}