Show info on receipt based on categories

{% set purchase_type = "" %}
{% for item in items %}
    {% if item.category == "Event" %}
        {% set purchase_type = "event" %}
    {% elseif item.category == "Video" %}
        {% set purchase_type = "video" %}
    {% endif %}
{% endfor %}
{% if purchase_type == "event" %}
    <br>Static paragraph with information about the event.<br>
{% elseif purchase_type == "video" %}
    <br>To watch your video on NextGenCrowdfunding.com, please click <a href="http://www.nextgencrowdfunding.com">here</a>.<br>
{% endif %}