autoship_populate_order_customer_dashboard_icon_tooltip
(src/orders.php) Within the autoship_order_customer_dashboard_icon_column_content() function and can be used to customize the tooltip html when hovering over the Autoship icons in the My Account > Orders screen. Takes $extrnal_data['notices'], $external_data, and $order as parameters.
function populate_tooltip() { return 'this is a tooltip'; } add_filter('autoship_populate_order_customer_dashboard_icon_tooltip', 'populate_tooltip', 10, 3);