Adding missing closing angle bracket in span closure on line 44.
<tr>
<td></td>
<td>
- <a class="action-item crm-hover-button" href='{crmURL p="civicrm/event/participant/feeselection" q="reset=1&id=`$participantId`&cid=`$contactId`&action=update"}'><span class="icon ui-icon-pencil"></span {ts}Change Selections{/ts}</a>
+ <a class="action-item crm-hover-button" href='{crmURL p="civicrm/event/participant/feeselection" q="reset=1&id=`$participantId`&cid=`$contactId`&action=update"}'><span class="icon ui-icon-pencil"></span> {ts}Change Selections{/ts}</a>
</td>
</tr>
{else}