diff --git a/shop/app/admin/orders/page.tsx b/shop/app/admin/orders/page.tsx
index b5cb8ca..d431157 100644
--- a/shop/app/admin/orders/page.tsx
+++ b/shop/app/admin/orders/page.tsx
@@ -7,8 +7,8 @@ export default async function AdminOrdersPage() {
     <div className="p-8 space-y-6">
       <div className="flex justify-between items-center">
         <div>
-          <h1 className="text-3xl font-bold tracking-tight text-gradient">Bestellungen & Rechnungen</h1>
-          <p className="text-slate-400">Verwalten Sie alle Kundenbestellungen und greifen Sie auf generierte PDFs zu.</p>
+          <h1 className="text-3xl font-bold tracking-tight text-gradient">Bestellungen</h1>
+          <p className="text-slate-400">Verwalten Sie alle Kundenbestellungen und greifen Sie auf generierte Bestellbestätigungen zu.</p>
         </div>
       </div>
 
diff --git a/shop/app/my-orders/page.tsx b/shop/app/my-orders/page.tsx
index fff548b..a86d4b8 100644
--- a/shop/app/my-orders/page.tsx
+++ b/shop/app/my-orders/page.tsx
@@ -136,7 +136,7 @@ export default async function MyOrdersPage() {
                       <>
                         <Button variant="ghost" size="sm" asChild className="text-xs text-slate-400 hover:text-white">
                           <a href={o.pdf_url} target="_blank" rel="noopener noreferrer">
-                            <ExternalLink className="w-3 h-3 mr-1" /> Rechnung ansehen
+                            <ExternalLink className="w-3 h-3 mr-1" /> Bestellbestätigung ansehen
                           </a>
                         </Button>
                         <Button variant="ghost" size="sm" asChild className="text-xs text-slate-400 hover:text-white">
diff --git a/shop/app/order/success/page.tsx b/shop/app/order/success/page.tsx
index 2910db3..8dda4be 100644
--- a/shop/app/order/success/page.tsx
+++ b/shop/app/order/success/page.tsx
@@ -124,7 +124,7 @@ export default async function OrderSuccessPage({
               <div className="flex gap-2 pt-2">
                 <Button variant="outline" size="sm" asChild className="border-white/10 hover:bg-white/10">
                   <a href={o.pdf_url} target="_blank" rel="noopener noreferrer">
-                    <ExternalLink className="w-4 h-4 mr-2" /> Rechnung ansehen
+                    <ExternalLink className="w-4 h-4 mr-2" /> Bestellbestätigung ansehen
                   </a>
                 </Button>
                 <Button variant="secondary" size="sm" asChild>
diff --git a/shop/components/admin/orders-table.tsx b/shop/components/admin/orders-table.tsx
index 16bd912..bdab8c1 100644
--- a/shop/components/admin/orders-table.tsx
+++ b/shop/components/admin/orders-table.tsx
@@ -182,7 +182,7 @@ export function OrdersTable({ initialOrders }: OrdersTableProps) {
                           </Button>
                         </div>
                       ) : (
-                        <span className="text-xs text-slate-500 italic">Keine Rechnung</span>
+                        <span className="text-xs text-slate-500 italic">Keine Bestätigung</span>
                       )}
                     </TableCell>
                   </TableRow>
diff --git a/shop/components/invoice-pdf.tsx b/shop/components/invoice-pdf.tsx
index e4739fd..a44e4cc 100644
--- a/shop/components/invoice-pdf.tsx
+++ b/shop/components/invoice-pdf.tsx
@@ -117,10 +117,10 @@ export const InvoicePDF = ({ order, orderSnapshot, customer }: any) => {
           </View>
         </View>
 
-        <Text style={styles.title}>Bestellbestätigung / Rechnung</Text>
+        <Text style={styles.title}>Bestellbestätigung</Text>
 
         <View style={styles.section}>
-          <Text style={styles.label}>Rechnungsempfänger</Text>
+          <Text style={styles.label}>Besteller / Kunde</Text>
           <Text>{customer.company_name}</Text>
           <Text>{customer.first_name} {customer.last_name}</Text>
           <Text>{customer.address}</Text>
diff --git a/shop/lib/actions/orders.ts b/shop/lib/actions/orders.ts
index 3ea1468..41668f6 100644
--- a/shop/lib/actions/orders.ts
+++ b/shop/lib/actions/orders.ts
@@ -14,13 +14,13 @@ import { getProducts, getCategories } from '@/lib/actions/products'
 
 /**
  * Erzeugt eine menschenlesbare, nicht-sequenzielle Bestellnummer.
- * Format: RE-YYYY-NNNNN (z.B. RE-2026-84731)
+ * Format: BE-YYYY-NNNNN (z.B. BE-2026-84731)
  * Kein Rückschluss auf Gesamtanzahl der Bestellungen möglich.
  */
 function generateOrderNumber(): string {
   const year = new Date().getFullYear()
   const rand = Math.floor(10000 + Math.random() * 90000) // 5-stellig, niemals < 10000
-  return `RE-${year}-${rand}`
+  return `BE-${year}-${rand}`
 }
 
 /**
@@ -203,7 +203,7 @@ export async function submitOrder(params: {
     )
 
     // 6. PDF in Supabase Storage hochladen
-    const fileName = `invoice_${order.id}.pdf`
+    const fileName = `bestellbestaetigung_${order.id}.pdf`
     const { error: uploadError } = await supabase
       .storage
       .from('invoices')
diff --git a/shop/supabase/migrations/20260623000100_add_order_number_and_hash_to_orders.sql b/shop/supabase/migrations/20260623000100_add_order_number_and_hash_to_orders.sql
index 808da24..d713fe0 100644
--- a/shop/supabase/migrations/20260623000100_add_order_number_and_hash_to_orders.sql
+++ b/shop/supabase/migrations/20260623000100_add_order_number_and_hash_to_orders.sql
@@ -5,7 +5,7 @@ ALTER TABLE public.orders
 
 -- Update existing orders to have a unique order_number
 UPDATE public.orders 
-  SET order_number = 'RE-' || EXTRACT(YEAR FROM created_at)::text || '-' || floor(10000 + random() * 90000)::text
+  SET order_number = 'BE-' || EXTRACT(YEAR FROM created_at)::text || '-' || floor(10000 + random() * 90000)::text
   WHERE order_number IS NULL;
 
 -- Now add unique constraint and make it not null