diff --git a/WGneu/App.xaml.cs b/WGneu/App.xaml.cs
index 28037cd..98b8ba0 100644
--- a/WGneu/App.xaml.cs
+++ b/WGneu/App.xaml.cs
@@ -7,9 +7,9 @@ using System.Threading.Tasks;
 using System.Windows;
 
 namespace WGneu {
-    /// <summary>
-    /// Interaction logic for App.xaml
-    /// </summary>
     public partial class App : Application {
+        public App() : base() {
+            System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
+        }
     }
 }
diff --git a/WGneu/Documents/Pdf.cs b/WGneu/Documents/Pdf.cs
index 176f763..178a571 100644
--- a/WGneu/Documents/Pdf.cs
+++ b/WGneu/Documents/Pdf.cs
@@ -6,6 +6,7 @@ using System.Linq;
 using System.Reflection.Metadata.Ecma335;
 using System.Text;
 using System.Threading.Tasks;
+using PdfSharp.Pdf.IO;
 using PuppeteerSharp;
 using PuppeteerSharp.Media;
 using WGneu.Windows;
@@ -47,6 +48,13 @@ namespace WGneu.Documents {
             });
         }
 
+        public static void UpdateMetadata(string path, string title, string author) {
+            using var doc = PdfReader.Open(path);
+            doc.Info.Title = title;
+            doc.Info.Author = author;
+            doc.Save(path);
+        }
+
         public static void Display(string title, string path) {
             var w = new DocumentViewerWindow(title, path);
             w.Show();
diff --git a/WGneu/Documents/Template.cs b/WGneu/Documents/Template.cs
index c8c34db..d22b0c4 100644
--- a/WGneu/Documents/Template.cs
+++ b/WGneu/Documents/Template.cs
@@ -11,10 +11,11 @@ using WGneu.Models;
 namespace WGneu.Documents {
     class Template {
 
-        private static readonly string ROOT = @"C:\Users\tom\Projects\wgneu\";
+        private static readonly string ROOT = @"C:\Users\lorenz\Desktop\";
 
         public static async void Test() {
             await Pdf.Convert(ROOT + "din-5008.html", ROOT + "test.pdf");
+            Pdf.UpdateMetadata(ROOT + "test.pdf", "Test Dokument", "Winzergenossenschaft für Matzen und Umgebung reg. Gen.m.b.H.");
             Pdf.Display("Test-Dokument", ROOT + "test.pdf");
         }
 
diff --git a/WGneu/WGneu.csproj b/WGneu/WGneu.csproj
index df79fa8..8664614 100644
--- a/WGneu/WGneu.csproj
+++ b/WGneu/WGneu.csproj
@@ -16,8 +16,10 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="7.0.3" />
     <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.1587.40" />
     <PackageReference Include="ModernWpfUI" Version="0.9.6" />
+    <PackageReference Include="PdfSharp" Version="1.50.5147" />
     <PackageReference Include="PuppeteerSharp" Version="9.0.2" />
     <PackageReference Include="RazorLight" Version="2.3.1" />
+    <PackageReference Include="System.Text.Encoding.CodePages" Version="7.0.0" />
   </ItemGroup>
 
 </Project>
diff --git a/WGneu/Windows/DocumentViewerWindow.xaml b/WGneu/Windows/DocumentViewerWindow.xaml
index fd64973..7b0ef13 100644
--- a/WGneu/Windows/DocumentViewerWindow.xaml
+++ b/WGneu/Windows/DocumentViewerWindow.xaml
@@ -7,7 +7,7 @@
         xmlns:local="clr-namespace:WGneu.Windows"
         mc:Ignorable="d"
         Title="PDF Ansicht"
-        MinHeight="600" MinWidth="420" Height="970" Width="670">
+        MinHeight="600" MinWidth="420" Height="750" Width="525">
     <Grid>
         <wv2:WebView2 Name="WebView"/>
     </Grid>