diff --git a/swift/Sources/FlatBuffers/FlatBufferObject.swift b/swift/Sources/FlatBuffers/FlatBufferObject.swift
index 52ca396..7536c40 100644
--- a/swift/Sources/FlatBuffers/FlatBufferObject.swift
+++ b/swift/Sources/FlatBuffers/FlatBufferObject.swift
@@ -1,15 +1,31 @@
+/*
+ * Copyright 2020 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 import Foundation
 
 /// FlatbufferObject structures all the Flatbuffers objects
 public protocol FlatBufferObject {
-    var __buffer: ByteBuffer! { get }
-    init(_ bb: ByteBuffer, o: Int32)
+  var __buffer: ByteBuffer! { get }
+  init(_ bb: ByteBuffer, o: Int32)
 }
 
 public protocol ObjectAPI {
-    associatedtype T
-    static func pack(_ builder: inout FlatBufferBuilder, obj: inout T) -> Offset<UOffset>
-    mutating func unpack() -> T
+  associatedtype T
+  static func pack(_ builder: inout FlatBufferBuilder, obj: inout T) -> Offset<UOffset>
+  mutating func unpack() -> T
 }
 
 /// Readable is structures all the Flatbuffers structs
@@ -17,12 +33,12 @@
 /// Readable is a procotol that each Flatbuffer struct should confirm to since
 /// FlatBufferBuilder would require a Type to both create(struct:) and createVector(structs:) functions
 public protocol Readable: FlatBufferObject {
-    static var size: Int { get }
-    static var alignment: Int { get }
+  static var size: Int { get }
+  static var alignment: Int { get }
 }
 
 public protocol Enum {
-    associatedtype T: Scalar
-    static var byteSize: Int { get }
-    var value: T { get }
+  associatedtype T: Scalar
+  static var byteSize: Int { get }
+  var value: T { get }
 }