diff --git a/websocket-sharp/Net/HttpHeaderType.cs b/websocket-sharp/Net/HttpHeaderType.cs
index 029e24a0..113fb63b 100644
--- a/websocket-sharp/Net/HttpHeaderType.cs
+++ b/websocket-sharp/Net/HttpHeaderType.cs
@@ -1,44 +1,44 @@
-//
-// HttpHeaderType.cs
-//
-// Authors:
-//	sta (sta.blockhead@gmail.com)
-//
-// Copyright (c) 2013 sta.blockhead
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject to
-// the following conditions:
-// 
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-// 
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-//
+#region License
+/*
+ * HttpHeaderType.cs
+ *
+ * The MIT License
+ *
+ * Copyright (c) 2013-2014 sta.blockhead
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#endregion
 
 using System;
 
-namespace WebSocketSharp.Net {
-
-	[Flags]
-	enum HttpHeaderType
-	{
-		Unspecified = 0,
-		Request = 1,
-		Response = 1 << 1,
-		Restricted = 1 << 2,
-		MultiValue = 1 << 3,
-		MultiValueInRequest = 1 << 4,
-		MultiValueInResponse = 1 << 5
-	}
+namespace WebSocketSharp.Net
+{
+  [Flags]
+  internal enum HttpHeaderType
+  {
+    Unspecified = 0,
+    Request = 1,
+    Response = 1 << 1,
+    Restricted = 1 << 2,
+    MultiValue = 1 << 3,
+    MultiValueInRequest = 1 << 4,
+    MultiValueInResponse = 1 << 5
+  }
 }