diff --git a/XenAdmin/Commands/PauseVMCommand.cs b/XenAdmin/Commands/PauseVMCommand.cs
index 4ac89c933..05e2232aa 100644
--- a/XenAdmin/Commands/PauseVMCommand.cs
+++ b/XenAdmin/Commands/PauseVMCommand.cs
@@ -1,4 +1,5 @@
-/* Copyright (c) Citrix Systems, Inc. 
+/* Original work Copyright (c) Citrix Systems, Inc.
+ * Modified work Copyright XCP-ng project 
  * All rights reserved. 
  * 
  * Redistribution and use in source and binary forms, 
diff --git a/XenAdmin/Commands/UnPauseVMCommand.cs b/XenAdmin/Commands/UnPauseVMCommand.cs
index e9f1aaf84..568184362 100644
--- a/XenAdmin/Commands/UnPauseVMCommand.cs
+++ b/XenAdmin/Commands/UnPauseVMCommand.cs
@@ -1,4 +1,5 @@
-/* Copyright (c) Citrix Systems, Inc. 
+/* Original work Copyright (c) Citrix Systems, Inc.
+ * Modified work Copyright XCP-ng project 
  * All rights reserved. 
  * 
  * Redistribution and use in source and binary forms, 
diff --git a/XenModel/Actions/VM/VMPauseAction.cs b/XenModel/Actions/VM/VMPauseAction.cs
index 3e6cce0d9..a1ab40d2d 100644
--- a/XenModel/Actions/VM/VMPauseAction.cs
+++ b/XenModel/Actions/VM/VMPauseAction.cs
@@ -1,4 +1,5 @@
-/* Copyright (c) Citrix Systems, Inc. 
+/* Original work Copyright (c) Citrix Systems, Inc.
+ * Modified work Copyright XCP-ng project 
  * All rights reserved. 
  * 
  * Redistribution and use in source and binary forms, 
diff --git a/XenModel/Actions/VM/VMUnPauseAction.cs b/XenModel/Actions/VM/VMUnPauseAction.cs
index 5a15afc6c..f06b80ef3 100644
--- a/XenModel/Actions/VM/VMUnPauseAction.cs
+++ b/XenModel/Actions/VM/VMUnPauseAction.cs
@@ -1,4 +1,5 @@
-/* Copyright (c) Citrix Systems, Inc. 
+/* Original work Copyright (c) Citrix Systems, Inc.
+ * Modified work Copyright XCP-ng project 
  * All rights reserved. 
  * 
  * Redistribution and use in source and binary forms,