If the <ResourceFileFeatureType> requires free text rather than a code value, or if the code in <ResourceFileFeatureValue> does not adequately specify the feature of the insert, a short text description may be added. Optional, and repeatable to provide parallel descriptive text in multiple languages. The language attribute is optional for a single instance of <ResourceFileFeatureDescription>, but must be included in each instance if <ResourceFileFeatureDescription> is repeated.