{% if parent_part %}
    {% if adds_to_parent_part %}Adding to{% else %}Replacing{% endif %} the BOM of
    <a href="{% url 'bom:part-info' part_id=parent_part.id %}">{{ parent_part.full_part_number }}</a>.
{% endif %}
{% if not assembly_changes %}These rows match what's already in IndaBOM, so importing changes nothing.{% endif %}