Fix url

aleksis/apps/paweljong/templates/paweljong/print/voucher.html

@@ -18,7 +18,7 @@
         <h3>{{ voucher.event }}<h3>
         <h4>{{ voucher.code }}</h4>
         <p>{% trans "Voucher for" %} {{ voucher.person.first_name }} {{ voucher.person.last_name }} {% trans "to visit event" %} {{ voucher.event }} {% trans "on" %} {{ voucher.event.date_event }} {% trans "at" %} {{ voucher.event.place }}!</p>
-        <p>{% trans "To use the voucher, register for the event " %} <a href="{% url 'register_event_by_pk' voucher.event.pk %}">{% trans "here" %}</a></p>
+        <p>{% trans "To use the voucher, register for the event " %} <a href="{% url 'register_event_by_slug' voucher.event.pk %}">{% trans "here" %}</a></p>
     </div>
 
 {% endblock %}