diff --git a/frontend/src/customer/Orders.tsx b/frontend/src/customer/Orders.tsx
index 1bd22ea..b70774c 100644
--- a/frontend/src/customer/Orders.tsx
+++ b/frontend/src/customer/Orders.tsx
@@ -38,7 +38,16 @@ const COLUMNS = [
     dataIndex: 'status',
     render: (v: string) => <Tag color={STATUS_COLORS[v]}>{v}</Tag>
   },
-  { title: 'Processor', dataIndex: 'processor' },
+  {
+    title: 'Processor',
+    dataIndex: 'processor',
+    // `demo` used to render as a raw column value, which is not an explanation:
+    // a customer has no reason to read it as "this did not happen", and the row
+    // was otherwise identical to a real one — real price, `completed` status,
+    // same neutral tag. The cart says it is a demo (#195, #203) for about three
+    // seconds; this is the record they come back to. See #205.
+    render: (v: string) => (v === 'demo' ? <Tag color="warning">Demo (not charged)</Tag> : v)
+  },
   { title: 'Date', dataIndex: 'created_at', render: (v: string) => new Date(v).toLocaleDateString() }
 ];
 
@@ -69,6 +78,12 @@ function OrdersBody({ loading, error, orders, onRetry }: BodyProps) {
     );
   }
 
+  // Shown only when there is one to explain. The per-row tag says which order,
+  // this says what it means — a tag reading "Demo" still assumes the reader
+  // knows what a demo order is, and the thing they actually want to know is
+  // whether to expect a parcel.
+  const hasDemoOrder = orders.some(o => o.processor === 'demo');
+
   if (orders.length === 0) {
     return (
       <Space direction="vertical" align="center" style={{ width: '100%', marginTop: 24 }}>
@@ -79,15 +94,26 @@ function OrdersBody({ loading, error, orders, onRetry }: BodyProps) {
   }
 
   return (
-    <Table
-      rowKey="id"
-      dataSource={orders}
-      pagination={false}
-      // Still correct on a phone. It is no longer compensating for being in a
-      // modal narrower than its own content.
-      scroll={{ x: 'max-content' }}
-      columns={COLUMNS}
-    />
+    <>
+      {hasDemoOrder && (
+        <Alert
+          type="warning"
+          showIcon
+          style={{ marginBottom: 16 }}
+          message="Some of these are demo orders"
+          description="A demo order is a pretend one: nothing was charged, and nothing will be shipped."
+        />
+      )}
+      <Table
+        rowKey="id"
+        dataSource={orders}
+        pagination={false}
+        // Still correct on a phone. It is no longer compensating for being in a
+        // modal narrower than its own content.
+        scroll={{ x: 'max-content' }}
+        columns={COLUMNS}
+      />
+    </>
   );
 }
 
diff --git a/frontend/tests/e2e/demo-checkout.spec.ts b/frontend/tests/e2e/demo-checkout.spec.ts
index 333d398..70ab312 100644
--- a/frontend/tests/e2e/demo-checkout.spec.ts
+++ b/frontend/tests/e2e/demo-checkout.spec.ts
@@ -61,6 +61,32 @@ test.describe('Demo mode says so to the customer', () => {
     await expect(cart.demoNotice).toBeVisible({ timeout: 20000 });
   });
 
+  // The toast is three seconds; this is the record the customer comes back to
+  // when they wonder where their item is. It showed `demo` as a raw value under
+  // a "Processor" heading, beside a real price and a neutral `completed` tag —
+  // nothing a customer would read as "this did not happen". See #205.
+  test('order history marks the demo order rather than showing it as a real one', async ({
+    page,
+    customer,
+    cart,
+    orders
+  }) => {
+    const name = `Demo h${uniqueSuffix()}`;
+    const item = await createItem(page.request, { name, price: '80' });
+    expect((await page.request.post(`/api/cart/items/${item.id}`)).status()).toBe(201);
+    expect((await page.request.post('/api/customers/me/addresses', { data: ADDRESS })).ok()).toBe(true);
+
+    await cart.goto();
+    await expect(cart.checkoutButton).toBeVisible({ timeout: 20000 });
+    await cart.checkoutButton.click();
+    await expect(page.getByText(/nothing was charged/i)).toBeVisible({ timeout: 20000 });
+
+    await orders.goto();
+
+    await expect(orders.demoOrderMarker).toBeVisible({ timeout: 20000 });
+    await expect(orders.demoNotice).toBeVisible();
+  });
+
   test('the confirmation says nothing was charged', async ({ page, customer, cart }) => {
     const name = `Demo p${uniqueSuffix()}`;
     const item = await createItem(page.request, { name, price: '80' });
diff --git a/frontend/tests/e2e/pages/OrdersPage.ts b/frontend/tests/e2e/pages/OrdersPage.ts
index b13357e..cc49341 100644
--- a/frontend/tests/e2e/pages/OrdersPage.ts
+++ b/frontend/tests/e2e/pages/OrdersPage.ts
@@ -14,6 +14,8 @@ export class OrdersPage {
   readonly continueShoppingButton: Locator;
   readonly backToShopButton: Locator;
   readonly anyDialog: Locator;
+  readonly demoNotice: Locator;
+  readonly demoOrderMarker: Locator;
 
   constructor(private readonly page: Page) {
     this.heading = page.getByRole('heading', { name: 'Order History' });
@@ -21,6 +23,8 @@ export class OrdersPage {
     this.continueShoppingButton = page.getByRole('button', { name: 'Continue Shopping' });
     this.backToShopButton = page.getByRole('button', { name: 'Back to Shop' });
     this.anyDialog = page.getByRole('dialog');
+    this.demoNotice = page.getByText('Some of these are demo orders');
+    this.demoOrderMarker = page.getByText('Demo (not charged)');
   }
 
   async goto(): Promise<void> {