diff --git a/Elwig/Documents/Document.cs b/Elwig/Documents/Document.cs
index 3a8b897..edae367 100644
--- a/Elwig/Documents/Document.cs
+++ b/Elwig/Documents/Document.cs
@@ -17,10 +17,10 @@ namespace Elwig.Documents {
         protected string? _pdfPath;
         protected string? PdfPath => _pdfPath ?? _pdfFile?.FilePath;
         public int? TotalPages { get; private set; }
-        public int? Pages => TotalPages / (DoubleSided ? 2 : 1);
+        public int? Pages => TotalPages / (DoublePaged ? 2 : 1);
 
         public bool ShowFoldMarks = App.Config.Debug;
-        public bool DoubleSided = false;
+        public bool DoublePaged = false;
 
         public string DataPath;
         public int CurrentNextSeason;
@@ -116,7 +116,7 @@ namespace Elwig.Documents {
                     progress?.Report(GenerationProportion * 100 * i / n);
                 }
                 progress?.Report(GenerationProportion * 100);
-                var pages = await Pdf.Convert(tmpFiles, pdf.FileName, DoubleSided, new Progress<double>(v => progress?.Report(GenerationProportion * 100 + v * (1 - GenerationProportion))));
+                var pages = await Pdf.Convert(tmpFiles, pdf.FileName, DoublePaged, new Progress<double>(v => progress?.Report(GenerationProportion * 100 + v * (1 - GenerationProportion))));
                 TotalPages = pages.Pages;
                 foreach (var tmp in tmpHtmls) {
                     tmp.Dispose();
@@ -127,7 +127,7 @@ namespace Elwig.Documents {
                 using (var tmpHtml = new TempFile("html")) {
                     await File.WriteAllTextAsync(tmpHtml.FilePath, await Render(), Utils.UTF8);
                     progress?.Report(50.0);
-                    var pages = await Pdf.Convert(tmpHtml.FilePath, pdf.FilePath, DoubleSided);
+                    var pages = await Pdf.Convert(tmpHtml.FilePath, pdf.FilePath, DoublePaged);
                     TotalPages = pages.Pages;
                 }
                 _pdfFile = pdf;
diff --git a/Elwig/Documents/Document.cshtml b/Elwig/Documents/Document.cshtml
index bdd4d72..731188a 100644
--- a/Elwig/Documents/Document.cshtml
+++ b/Elwig/Documents/Document.cshtml
@@ -10,7 +10,7 @@
     <link rel="stylesheet" href="file:///@Raw(Model.DataPath)\resources\Document.css"/>
     <link rel="stylesheet" href="file:///@Raw(Model.DataPath)\resources\Document.Page.css"/>
     <link rel="stylesheet" href="file:///@Raw(Model.DataPath)\resources\Document.Table.css"/>
-    @if (Model.DoubleSided) {
+    @if (Model.DoublePaged) {
         <style>
             @@page :left {
                 margin: 25mm 25mm 35mm 20mm;
@@ -38,7 +38,7 @@
         </div>
         <footer>@Raw(Model.Footer)</footer>
     </div>
-    @if (Model.DoubleSided) {
+    @if (Model.DoublePaged) {
         <div class="footer-wrapper left">
             <div class="pre-footer">
                 <span class="page"></span>
diff --git a/Elwig/Helpers/Printing/Pdf.cs b/Elwig/Helpers/Printing/Pdf.cs
index 1bf3992..3dad611 100644
--- a/Elwig/Helpers/Printing/Pdf.cs
+++ b/Elwig/Helpers/Printing/Pdf.cs
@@ -49,17 +49,17 @@ namespace Elwig.Helpers.Printing {
             return Task.CompletedTask;
         }
 
-        public static async Task<(int Pages, IEnumerable<int> PerDoc)> Convert(string htmlPath, string pdfPath, bool doubleSided = false, IProgress<double>? progress = null) {
-            return await Convert([htmlPath], pdfPath, doubleSided, progress);
+        public static async Task<(int Pages, IEnumerable<int> PerDoc)> Convert(string htmlPath, string pdfPath, bool doublePaged = false, IProgress<double>? progress = null) {
+            return await Convert([htmlPath], pdfPath, doublePaged, progress);
         }
 
-        public static async Task<(int Pages, IEnumerable<int> PerDoc)> Convert(IEnumerable<string> htmlPath, string pdfPath, bool doubleSided = false, IProgress<double>? progress = null) {
+        public static async Task<(int Pages, IEnumerable<int> PerDoc)> Convert(IEnumerable<string> htmlPath, string pdfPath, bool doublePaged = false, IProgress<double>? progress = null) {
             if (WinziPrintProc == null) throw new InvalidOperationException("The WinziPrint process has not been initialized yet");
             progress?.Report(0.0);
             using var client = new TcpClient("127.0.0.1", 30983);
             using var stream = client.GetStream();
             await stream.WriteAsync(Encoding.UTF8.GetBytes(
-                "-e utf-8;-p;" + (doubleSided ? "-2;" : "") +
+                "-e utf-8;-p;" + (doublePaged ? "-2;" : "") +
                 $"{string.Join(';', htmlPath)};{pdfPath}" +
                 "\r\n"));
             using var reader = new StreamReader(stream);
diff --git a/Elwig/Windows/MailWindow.xaml.cs b/Elwig/Windows/MailWindow.xaml.cs
index 3fab5e7..65e5057 100644
--- a/Elwig/Windows/MailWindow.xaml.cs
+++ b/Elwig/Windows/MailWindow.xaml.cs
@@ -485,7 +485,7 @@ namespace Elwig.Windows {
                 .ToDictionary(d => d.Member, m => {
                     var docs = m.Docs.Select(d => d.Doc).ToList();
                     foreach (var doc in docs) {
-                        doc!.DoubleSided = false;
+                        doc!.DoublePaged = false;
                         if (doc is BusinessDocument b)
                             b.IncludeSender = false;
                     };
@@ -518,7 +518,7 @@ namespace Elwig.Windows {
                     if (docs.Count == 0 || m.Docs[0].Type == DocType.Custom) {
                         docs.Insert(0, new Letterhead(m.Member));
                     }
-                    docs.ForEach(doc => doc.DoubleSided = doublePaged);
+                    docs.ForEach(doc => doc.DoublePaged = doublePaged);
                     if (docs.Count > 0 && docs[0] is BusinessDocument b)
                         b.IncludeSender = true;
                     return docs;
@@ -528,7 +528,7 @@ namespace Elwig.Windows {
             if (printDocs.Count > 0) {
                 try {
                     var print = Document.Merge(printDocs);
-                    print.DoubleSided = doublePaged;
+                    print.DoublePaged = doublePaged;
                     await print.Generate(new Progress<double>(v => {
                         ProgressBar.Value = 100.0 * emailNum / totalNum + v * printNum / totalNum;
                     }));