diff --git a/src/Nitload.RegularAnalysis/AttributeRegex/PropertyMatchEngine.cs b/src/Nitload.RegularAnalysis/AttributeRegex/PropertyMatchEngine.cs
index fe45b589..8ae52ead 100644
--- a/src/Nitload.RegularAnalysis/AttributeRegex/PropertyMatchEngine.cs
+++ b/src/Nitload.RegularAnalysis/AttributeRegex/PropertyMatchEngine.cs
@@ -1,12 +1,17 @@
-using System;
+// -----------------------------------------------------------------------------
+// file="PropertyMatchEngine"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace Nitload.RegularAnalysis.AttibuteRegex
+namespace Nitload.RegularAnalysis.AttributeRegex
 {
-    internal class PropertyMatchEngine
-    {
-    }
+    internal class PropertyMatchEngine { }
 }