1 files changed, 8 insertions, 1 deletions
diff --git a/UVtools.WPF/Windows/ToolWindow.axaml.cs b/UVtools.WPF/Windows/ToolWindow.axaml.cs
index 43d13cd..a3543d6 100644
--- a/UVtools.WPF/Windows/ToolWindow.axaml.cs
+++ b/UVtools.WPF/Windows/ToolWindow.axaml.cs
@@ -1,4 +1,11 @@
-using System;
+/*
+ *                     GNU AFFERO GENERAL PUBLIC LICENSE
+ *                       Version 3, 19 November 2007
+ *  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ *  Everyone is permitted to copy and distribute verbatim copies
+ *  of this license document, but changing it is not allowed.
+ */
+using System;
 using System.Collections.ObjectModel;
 using System.Drawing;
 using Avalonia;