Fix parameter name

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/html/zen-units.html

@@ -12,7 +12,7 @@
 {% endif %}
 </td>
 <td>
-<a href="{% url 'translate' project=object.subproject.project.slug subproject=object.subproject.slug lang=object.language.code %}?search_id={{ search_id }}&amp;offset={{ item.offset }}" class="btn btn-xs btn-default pull-right flip" title="{% trans "Open in full editor" %}"><i class="fa fa-pencil"></i> {% trans "Edit" %}</a>
+<a href="{% url 'translate' project=object.subproject.project.slug subproject=object.subproject.slug lang=object.language.code %}?sid={{ search_id }}&amp;offset={{ item.offset }}" class="btn btn-xs btn-default pull-right flip" title="{% trans "Open in full editor" %}"><i class="fa fa-pencil"></i> {% trans "Edit" %}</a>
 </td>
 </tr>
 <tr id="row-source-{{ item.unit.checksum }}">