diff --git a/document.cpp b/document.cpp
index 68861bc..facf0ff 100644
--- a/document.cpp
+++ b/document.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/document.h b/document.h
index 5adb9c5..ee7f647 100644
--- a/document.h
+++ b/document.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/levelonecommands.cpp b/levelonecommands.cpp
index 7c2f8de..a7654ac 100644
--- a/levelonecommands.cpp
+++ b/levelonecommands.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/levelonecommands.h b/levelonecommands.h
index 95c8b35..b7d935b 100644
--- a/levelonecommands.h
+++ b/levelonecommands.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/levelonepage.cpp b/levelonepage.cpp
index 211ad1b..1ee2f2a 100644
--- a/levelonepage.cpp
+++ b/levelonepage.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/levelonepage.h b/levelonepage.h
index a34c0a7..2711e03 100644
--- a/levelonepage.h
+++ b/levelonepage.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/loadsave.cpp b/loadsave.cpp
index 995e9a8..c2025a0 100644
--- a/loadsave.cpp
+++ b/loadsave.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/loadsave.h b/loadsave.h
index 811ec62..b3d7d29 100644
--- a/loadsave.h
+++ b/loadsave.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/main.cpp b/main.cpp
index c99f311..d02785e 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/mainwidget.cpp b/mainwidget.cpp
index 5617900..63ff529 100644
--- a/mainwidget.cpp
+++ b/mainwidget.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/mainwidget.h b/mainwidget.h
index b321f2c..30d5da9 100644
--- a/mainwidget.h
+++ b/mainwidget.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 7b9783e..ff959ef 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
@@ -133,7 +133,7 @@ void MainWindow::about()
 	QMessageBox::about(this, tr("About QTeletextMaker"), tr("<b>QTeletextMaker</b><br>"
 	"An open source Level 2.5 teletext page editor.<br>"
 	"<i>Pre-alpha version</i><br><br>"
-	"Copyright (C) 2020 Gavin MacGregor<br><br>"
+	"Copyright (C) 2020, 2021 Gavin MacGregor<br><br>"
 	"Released under the GNU General Public License version 3<br>"
 	"<a href=\"https://github.com/gkthemac/qteletextmaker\">https://github.com/gkthemac/qteletextmaker</a>"));
 }
diff --git a/mainwindow.h b/mainwindow.h
index b807c67..e05bf04 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/pagebase.cpp b/pagebase.cpp
index 7abed0d..a94205d 100644
--- a/pagebase.cpp
+++ b/pagebase.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/pagebase.h b/pagebase.h
index 9274a20..f285673 100644
--- a/pagebase.h
+++ b/pagebase.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/pageenhancementsdockwidget.cpp b/pageenhancementsdockwidget.cpp
index 99f6dec..60a2ffa 100644
--- a/pageenhancementsdockwidget.cpp
+++ b/pageenhancementsdockwidget.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/pageenhancementsdockwidget.h b/pageenhancementsdockwidget.h
index e8ab92b..9927474 100644
--- a/pageenhancementsdockwidget.h
+++ b/pageenhancementsdockwidget.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/pageoptionsdockwidget.cpp b/pageoptionsdockwidget.cpp
index 3b498e9..aa77d3e 100644
--- a/pageoptionsdockwidget.cpp
+++ b/pageoptionsdockwidget.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/pageoptionsdockwidget.h b/pageoptionsdockwidget.h
index 53581b9..84fc89f 100644
--- a/pageoptionsdockwidget.h
+++ b/pageoptionsdockwidget.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/pagex26base.cpp b/pagex26base.cpp
index 3e0169a..d78637e 100644
--- a/pagex26base.cpp
+++ b/pagex26base.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/pagex26base.h b/pagex26base.h
index 2560815..9c82b12 100644
--- a/pagex26base.h
+++ b/pagex26base.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/palettedockwidget.cpp b/palettedockwidget.cpp
index 6c7b662..a8de98a 100644
--- a/palettedockwidget.cpp
+++ b/palettedockwidget.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/palettedockwidget.h b/palettedockwidget.h
index 978e4b1..aa8c5a2 100644
--- a/palettedockwidget.h
+++ b/palettedockwidget.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/render.cpp b/render.cpp
index 9ee092e..0cb8bc1 100644
--- a/render.cpp
+++ b/render.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/render.h b/render.h
index aecbb09..255fd9a 100644
--- a/render.h
+++ b/render.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/x26commands.cpp b/x26commands.cpp
index a30bb1b..7b2603e 100644
--- a/x26commands.cpp
+++ b/x26commands.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/x26commands.h b/x26commands.h
index 8b40dc3..bc49c48 100644
--- a/x26commands.h
+++ b/x26commands.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/x26dockwidget.cpp b/x26dockwidget.cpp
index b3324f9..1b745bb 100644
--- a/x26dockwidget.cpp
+++ b/x26dockwidget.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/x26dockwidget.h b/x26dockwidget.h
index 39d7e56..b2df97f 100644
--- a/x26dockwidget.h
+++ b/x26dockwidget.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/x26model.cpp b/x26model.cpp
index 8344212..b7e7f62 100644
--- a/x26model.cpp
+++ b/x26model.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/x26model.h b/x26model.h
index 7aa8052..6fa2f56 100644
--- a/x26model.h
+++ b/x26model.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/x26triplets.cpp b/x26triplets.cpp
index ddc0aa6..6de50ef 100644
--- a/x26triplets.cpp
+++ b/x26triplets.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *
diff --git a/x26triplets.h b/x26triplets.h
index 3b03909..b55278d 100644
--- a/x26triplets.h
+++ b/x26triplets.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Gavin MacGregor
+ * Copyright (C) 2020, 2021 Gavin MacGregor
  *
  * This file is part of QTeletextMaker.
  *