Changed attr header for star.hlsli file

Author: chauvuha

Samples/Desktop/D3D12Raytracing/src/D3D12RaytracingSakuraForestSER/Star.hlsli

@@ -1,15 +1,15 @@
 //*********************************************************
 // 
-// Copyright (c) Microsoft. All rights reserved.
+// Copyright (c) Pablo Roman Andrioli. All rights reserved.
 // This code is licensed under the MIT License (MIT).
 // THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
 // ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
 // IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
 // PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
 //
-// Portions of this file incorporate work by Pablo Roman Andrioli,
-// specifically the Star Nest volumetric fractal clouds effect formula,
-// which is licensed under the MIT License.
+// This file contains an HLSL adaptation of the Star Nest
+// volumetric fractal clouds effect formula originally
+// authored by Pablo Roman Andrioli.
 // 
 //*********************************************************