Email receipt variable text based on category

{% 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" %}
    Static paragraph with information about the event.
{% elseif purchase_type == "video" %}
    To watch your video on NextGenCrowdfunding.com, please click here: http://www.nextgencrowdfunding.com
{% endif %}