diff --git a/README.md b/README.md
index 8c1e2d8..1392648 100644
--- a/README.md
+++ b/README.md
@@ -16,3 +16,12 @@ General default settings which should be set
 
   - User profile (company contact information), such as mail, address, phone and mail
   - System settings in general and invoice: Upload company logo for login and invoice logo
+    (WebP image format currently not supported https://github.com/InvoicePlane/InvoicePlane/issues/1189 ).
+  - System settings - invoice: Enable embed ZUGFeRD XML into PDF (e-invoice)
+  - System settings - general, currency settings
+    - Change symbol to: €
+    - Symbol after sum with space
+    - Currency code EUR
+    - Number format to European format
+  - System settings - general, time format: j.n.Y
+  - Product units: m², Std.
diff --git a/flake.lock b/flake.lock
index 2dfc896..093fb0b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,18 +2,19 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1736100068,
-        "narHash": "sha256-wtipqLxpphkpxTGJvVuej+msDzABUfWm5TeO31d00MY=",
-        "owner": "onny",
-        "repo": "nixpkgs",
-        "rev": "68a0940f753446728b57c74db999ab08421e9d46",
-        "type": "github"
+        "lastModified": 1739834344,
+        "narHash": "sha256-PUAcU3YlKNFYrBBHkqshO4wRfMunzhMTEIH1dyhjTtk=",
+        "ref": "nixpkgs-unstable",
+        "rev": "f0295845e58ada369322524631821b01c0db13a7",
+        "shallow": true,
+        "type": "git",
+        "url": "https://github.com/NixOS/nixpkgs"
       },
       "original": {
-        "owner": "onny",
-        "ref": "invoiceplane-https",
-        "repo": "nixpkgs",
-        "type": "github"
+        "ref": "nixpkgs-unstable",
+        "shallow": true,
+        "type": "git",
+        "url": "https://github.com/NixOS/nixpkgs"
       }
     },
     "root": {
diff --git a/flake.nix b/flake.nix
index 36f3cd5..2874e2c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,8 +1,9 @@
 {
   description = "Invoiceplane invoice template development shell";
 
+  inputs.nixpkgs.url = "git+https://github.com/NixOS/nixpkgs?shallow=1&ref=nixpkgs-unstable";
   #inputs.nixpkgs.url = "nixpkgs/nixos-24.11";
-  inputs.nixpkgs.url = "github:onny/nixpkgs/invoiceplane-https";
+  #inputs.nixpkgs.url = "github:onny/nixpkgs/invoiceplane-https";
 
   outputs = { self, nixpkgs, ... }@inputs:
   let
@@ -41,11 +42,15 @@
 	    };
 	  };
 
-          services.caddy.virtualHosts."localhost".hostName = "http://localhost";
+          # FIXME
+	  # https://github.com/NixOS/nixpkgs/pull/309908
+          services.caddy.virtualHosts."http://localhost".logFormat = lib.mkForce ''
+	    output discard
+	  '';
 
           nixos-shell.mounts.extraMounts = {
             "/var/lib/invoiceplane/localhost/pdf" = {
-               target = ./.;
+               target = /home/onny/projects/invoiceplane-heinrichmalerbetrieb;
                cache = "none";
             };
           };
diff --git a/heinrichmalerbetrieb.php b/heinrichmalerbetrieb.php
index acb394f..03421d4 100755
--- a/heinrichmalerbetrieb.php
+++ b/heinrichmalerbetrieb.php
@@ -17,6 +17,23 @@
       .company {
         font-size: 0.8rem;
       }
+      .invoice-details table {
+        width: 200px;
+      }
+      .client small.sender {
+        color: #408236;
+      }
+      table.footer th, table.footer td {
+        vertical-align: top;
+        color: #408236;
+        font-size: 0.8rem;
+      }
+      table.footer td.first-child {
+        width: 180px;
+      }
+      hr.footer {
+        color: #408236;
+      }
     </style>
 </head>
 <body>
@@ -26,8 +43,8 @@
         <?php echo invoice_logo_pdf(); ?>
     </div>
 
-    <div id="client">
-        <b><?php echo lang('bill_to'); ?></b>:
+    <div id="client" class="client">
+	<small class="sender">Heinrich GmbH • Blumenstraße 16-18 • 75233 Tiefenbronn</small>
         <div>
             <?php _htmlsc(format_client($invoice)); ?>
         </div>
@@ -113,18 +130,17 @@
 
     <div class="invoice-details clearfix">
         <table>
+            <tr>
+                <td>Rechnung Nr.:</td>
+                <td><?php echo $invoice->invoice_number; ?></td>
+            </tr>
+	    <tr>
+		<td colspan=2><small>(Bitte bei Zahlungen immer angeben.)</small></td>
+	    </tr>
             <tr>
                 <td><?php echo trans('invoice_date') . ':'; ?></td>
                 <td><?php echo date_from_mysql($invoice->invoice_date_created, true); ?></td>
             </tr>
-            <tr>
-                <td><?php echo trans('due_date') . ': '; ?></td>
-                <td><?php echo date_from_mysql($invoice->invoice_date_due, true); ?></td>
-            </tr>
-            <tr>
-                <td><?php echo trans('amount_due') . ': '; ?></td>
-                <td><?php echo format_currency($invoice->invoice_balance); ?></td>
-            </tr>
             <?php if ($payment_method): ?>
                 <tr>
                     <td><?php echo trans('payment_method') . ': '; ?></td>
@@ -146,7 +162,7 @@
             <?php if ($show_item_discounts) : ?>
                 <th class="item-discount text-right"><?php _trans('discount'); ?></th>
             <?php endif; ?>
-            <th class="item-total text-right"><?php _trans('total'); ?></th>
+            <th class="item-total text-right">Gesamt</th>
         </tr>
         </thead>
         <tbody>
@@ -251,7 +267,7 @@
 
 </main>
 
-<footer>
+<footer class="footer">
     <?php if ($invoice->invoice_terms) : ?>
         <div class="notes">
             <b><?php _trans('terms'); ?></b><br/>

Rechnung Nr.:	invoice_number; ?>
(Bitte bei Zahlungen immer angeben.)
	invoice_date_created, true); ?>
	invoice_date_due, true); ?>
	invoice_balance); ?>
		Gesamt