Fellies/kubejs[e6]/client_scripts/item_modifiers/tooltips.js

onEvent('client.item_tooltip', (event) => {
    refinedStorageItems.forEach((item) => {
        if (event.item.id == 'refinedstorage:' + item) {
            event.add('Can be dyed through crafting or by right clicking it with dye in-world.');
        }
    });
});