config_map: initialize description
@@ -306,6 +306,7 @@ struct mk_list *flb_config_map_create(struct flb_config *config,
new->set_property = m->set_property;
new->offset = m->offset;
new->value.mult = NULL;
+ new->desc = m->desc;
mk_list_add(&new->_head, list);
if (new->set_property == FLB_FALSE) {
