diff --git a/src/main/java/de/assecutor/votianlt/service/CustomerInvoiceService.java b/src/main/java/de/assecutor/votianlt/service/CustomerInvoiceService.java
index ae5be38..71fba8b 100644
--- a/src/main/java/de/assecutor/votianlt/service/CustomerInvoiceService.java
+++ b/src/main/java/de/assecutor/votianlt/service/CustomerInvoiceService.java
@@ -42,7 +42,7 @@ public class CustomerInvoiceService {
         invoiceData.setRecipientStreet("Musterstraße 123");
         invoiceData.setRecipientCity("12345 Musterstadt");
         
-        // Set sender details
+        // Set sender details - Testdaten für den Rechnungssteller
         invoiceData.setSenderName("Assecutor GmbH");
         invoiceData.setSenderAddress("Hauptstraße 456");
         invoiceData.setSenderPhone("+49 123 4567890");
diff --git a/src/main/resources/templates/customer_invoice.html b/src/main/resources/templates/customer_invoice.html
index fba456b..434f6c1 100644
--- a/src/main/resources/templates/customer_invoice.html
+++ b/src/main/resources/templates/customer_invoice.html
@@ -74,11 +74,11 @@
 <div class="invoice-container">
     <div class="header">
         <div class="company-info">
-            <h2>Assecutor GmbH</h2>
-            <p>Hauptstraße 456</p>
-            <p>12345 Musterstadt</p>
-            <p>Telefon: +49 123 4567890</p>
-            <p>Web: https://www.assecutor.de</p>
+            <h2>${invoiceData.senderName}</h2>
+            <p>${invoiceData.senderAddress}</p>
+            <p>${invoiceData.senderCity}</p>
+            <p>Telefon: ${invoiceData.senderPhone}</p>
+            <p>Web: ${invoiceData.senderWebsite}</p>
         </div>
         <div class="invoice-details">
             <h3>Rechnung</h3>