Nuxt Ui Guideline: Overlays — Use title and description props. Description: Built-in header support for overlays. Do: title="Confirm" description="Are you sure?". Don't: Manual header content. Good Example: <UModal title="Confirm" description="Are you sure?">. Bad Example: <UModal><template #header><h2>Confirm</h2></template>. Severity: Low. Docs: https://ui.nuxt.com/docs/components/modal.