[Modify] Polish it

websocket-sharp/Net/WebHeaderCollection.cs

@@ -1725,12 +1725,16 @@ namespace WebSocketSharp.Net
     /// <exception cref="ArgumentNullException">
     /// <paramref name="serializationInfo"/> is <see langword="null"/>.
     /// </exception>
-    [SecurityPermission (
+    [
-      SecurityAction.LinkDemand,
+      SecurityPermission (
-      Flags = SecurityPermissionFlag.SerializationFormatter,
+        SecurityAction.LinkDemand,
-      SerializationFormatter = true)]
+        Flags = SecurityPermissionFlag.SerializationFormatter,
+        SerializationFormatter = true
+      )
+    ]
     void ISerializable.GetObjectData (
-      SerializationInfo serializationInfo, StreamingContext streamingContext)
+      SerializationInfo serializationInfo, StreamingContext streamingContext
+    )
     {
       GetObjectData (serializationInfo, streamingContext);
     }