diff --git a/Libraries/ART/React-ART.podspec b/Libraries/ART/React-ART.podspec
index 16050e2c282..1a299cbc7e7 100644
--- a/Libraries/ART/React-ART.podspec
+++ b/Libraries/ART/React-ART.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/ActionSheetIOS/React-RCTActionSheet.podspec b/Libraries/ActionSheetIOS/React-RCTActionSheet.podspec
index de69c063e17..5a9226e5d11 100644
--- a/Libraries/ActionSheetIOS/React-RCTActionSheet.podspec
+++ b/Libraries/ActionSheetIOS/React-RCTActionSheet.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/Animated/src/__tests__/bezier-test.js b/Libraries/Animated/src/__tests__/bezier-test.js
index bab93c372a4..530d877e821 100644
--- a/Libraries/Animated/src/__tests__/bezier-test.js
+++ b/Libraries/Animated/src/__tests__/bezier-test.js
@@ -4,15 +4,17 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * BezierEasing - use bezier curve for transition easing function
- * https://github.com/gre/bezier-easing
- *
- * @copyright 2014-2015 Gaetan Renaudeau. MIT License.
  * @emails oncall+react_native
  * @flow
  * @format
  */
 
+/**
+ * BezierEasing - use bezier curve for transition easing function
+ * https://github.com/gre/bezier-easing
+ * @copyright 2014-2015 Gaetan Renaudeau. MIT License.
+ */
+
 'use strict';
 
 const bezier = require('../bezier');
diff --git a/Libraries/Animated/src/bezier.js b/Libraries/Animated/src/bezier.js
index 94fe109d784..a7ea8d210b1 100644
--- a/Libraries/Animated/src/bezier.js
+++ b/Libraries/Animated/src/bezier.js
@@ -4,11 +4,13 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * BezierEasing - use bezier curve for transition easing function
- * https://github.com/gre/bezier-easing
- *
  * @flow strict
  * @format
+ */
+
+/**
+ * BezierEasing - use bezier curve for transition easing function
+ * https://github.com/gre/bezier-easing
  * @copyright 2014-2015 Gaëtan Renaudeau. MIT License.
  */
 
diff --git a/Libraries/BatchedBridge/__mocks__/MessageQueueTestConfig.js b/Libraries/BatchedBridge/__mocks__/MessageQueueTestConfig.js
index 6491c81c7ec..8644d15ea01 100644
--- a/Libraries/BatchedBridge/__mocks__/MessageQueueTestConfig.js
+++ b/Libraries/BatchedBridge/__mocks__/MessageQueueTestConfig.js
@@ -4,12 +4,12 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * These don't actually exist anywhere in the code.
- *
  * @flow strict-local
  * @format
  */
 
+// These don't actually exist anywhere in the code.
+
 'use strict';
 
 import type {ModuleConfig} from '../NativeModules';
diff --git a/Libraries/Blob/React-RCTBlob.podspec b/Libraries/Blob/React-RCTBlob.podspec
index f6de78b101a..ec98e36f371 100644
--- a/Libraries/Blob/React-RCTBlob.podspec
+++ b/Libraries/Blob/React-RCTBlob.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/Components/DatePicker/DatePickerIOS.ios.js b/Libraries/Components/DatePicker/DatePickerIOS.ios.js
index afae770d487..a4278bf440b 100644
--- a/Libraries/Components/DatePicker/DatePickerIOS.ios.js
+++ b/Libraries/Components/DatePicker/DatePickerIOS.ios.js
@@ -4,13 +4,12 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- *
- * This is a controlled component version of RCTDatePickerIOS
- *
  * @format
  * @flow strict-local
  */
 
+// This is a controlled component version of RCTDatePickerIOS.
+
 'use strict';
 
 const RCTDatePickerNativeComponent = require('./RCTDatePickerNativeComponent');
diff --git a/Libraries/Components/Picker/PickerIOS.android.js b/Libraries/Components/Picker/PickerIOS.android.js
index d7171ac8ed1..b7d047ba5de 100644
--- a/Libraries/Components/Picker/PickerIOS.android.js
+++ b/Libraries/Components/Picker/PickerIOS.android.js
@@ -4,12 +4,11 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- *
- * This is a controlled component version of RCTPickerIOS
- *
  * @format
  */
 
+// This is a controlled component version of RCTPickerIOS.
+
 'use strict';
 
 module.exports = require('../UnimplementedViews/UnimplementedView');
diff --git a/Libraries/Components/Picker/PickerIOS.ios.js b/Libraries/Components/Picker/PickerIOS.ios.js
index 0b5df5bc7d1..af2a33f6d9b 100644
--- a/Libraries/Components/Picker/PickerIOS.ios.js
+++ b/Libraries/Components/Picker/PickerIOS.ios.js
@@ -4,13 +4,12 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- *
- * This is a controlled component version of RCTPickerIOS
- *
  * @format
  * @flow
  */
 
+// This is a controlled component version of RCTPickerIOS.
+
 'use strict';
 
 const RCTPickerNativeComponent = require('./RCTPickerNativeComponent');
diff --git a/Libraries/Components/TextInput/TextInputState.js b/Libraries/Components/TextInput/TextInputState.js
index ec5b348db7b..3b9534b2f3e 100644
--- a/Libraries/Components/TextInput/TextInputState.js
+++ b/Libraries/Components/TextInput/TextInputState.js
@@ -4,15 +4,14 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- *
- * This class is responsible for coordinating the "focused"
- * state for TextInputs. All calls relating to the keyboard
- * should be funneled through here
- *
  * @format
  * @flow strict-local
  */
 
+// This class is responsible for coordinating the "focused" state for
+// TextInputs. All calls relating to the keyboard should be funneled
+// through here.
+
 'use strict';
 
 const Platform = require('../../Utilities/Platform');
diff --git a/Libraries/FBLazyVector/FBLazyVector.podspec b/Libraries/FBLazyVector/FBLazyVector.podspec
index d2a5ea3ac80..06ec27df91b 100644
--- a/Libraries/FBLazyVector/FBLazyVector.podspec
+++ b/Libraries/FBLazyVector/FBLazyVector.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/FBReactNativeSpec/FBReactNativeSpec.podspec b/Libraries/FBReactNativeSpec/FBReactNativeSpec.podspec
index 32c55ecef29..b066e37f00c 100644
--- a/Libraries/FBReactNativeSpec/FBReactNativeSpec.podspec
+++ b/Libraries/FBReactNativeSpec/FBReactNativeSpec.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/Image/React-RCTImage.podspec b/Libraries/Image/React-RCTImage.podspec
index 62bb32cfea9..2581b3315b1 100644
--- a/Libraries/Image/React-RCTImage.podspec
+++ b/Libraries/Image/React-RCTImage.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/Image/resolveAssetSource.js b/Libraries/Image/resolveAssetSource.js
index 7d256832fca..2b97b8d6b59 100644
--- a/Libraries/Image/resolveAssetSource.js
+++ b/Libraries/Image/resolveAssetSource.js
@@ -4,13 +4,12 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- *
- * Resolves an asset into a `source` for `Image`.
- *
  * @format
  * @flow
  */
 
+// Resolves an asset into a `source` for `Image`.
+
 'use strict';
 
 const AssetRegistry = require('./AssetRegistry');
diff --git a/Libraries/LinkingIOS/React-RCTLinking.podspec b/Libraries/LinkingIOS/React-RCTLinking.podspec
index 7845c262f86..df584c3d93a 100644
--- a/Libraries/LinkingIOS/React-RCTLinking.podspec
+++ b/Libraries/LinkingIOS/React-RCTLinking.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/NativeAnimation/React-RCTAnimation.podspec b/Libraries/NativeAnimation/React-RCTAnimation.podspec
index 95e6de03b32..286dd0dba15 100644
--- a/Libraries/NativeAnimation/React-RCTAnimation.podspec
+++ b/Libraries/NativeAnimation/React-RCTAnimation.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/Network/React-RCTNetwork.podspec b/Libraries/Network/React-RCTNetwork.podspec
index 3cf6fc514f4..279b001c452 100644
--- a/Libraries/Network/React-RCTNetwork.podspec
+++ b/Libraries/Network/React-RCTNetwork.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/PushNotificationIOS/React-RCTPushNotification.podspec b/Libraries/PushNotificationIOS/React-RCTPushNotification.podspec
index a52a8799fb6..a15cc0186d6 100644
--- a/Libraries/PushNotificationIOS/React-RCTPushNotification.podspec
+++ b/Libraries/PushNotificationIOS/React-RCTPushNotification.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/RCTRequired/RCTRequired.podspec b/Libraries/RCTRequired/RCTRequired.podspec
index 26fa4c7e1a6..22ebeab1f10 100644
--- a/Libraries/RCTRequired/RCTRequired.podspec
+++ b/Libraries/RCTRequired/RCTRequired.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/Sample/Sample.android.js b/Libraries/Sample/Sample.android.js
index 5a90c95ee14..49ae14835a5 100644
--- a/Libraries/Sample/Sample.android.js
+++ b/Libraries/Sample/Sample.android.js
@@ -4,12 +4,12 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * Stub of Sample for Android.
- *
  * @format
  * @flow
  */
 
+// Stub of Sample for Android.
+
 'use strict';
 
 const warning = require('fbjs/lib/warning');
diff --git a/Libraries/Sample/Sample.ios.js b/Libraries/Sample/Sample.ios.js
index b4e239e5f35..78dbe32107d 100644
--- a/Libraries/Sample/Sample.ios.js
+++ b/Libraries/Sample/Sample.ios.js
@@ -4,12 +4,12 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * Stub of Sample for Android.
- *
  * @format
  * @flow strict-local
  */
 
+// Stub of Sample for Android.
+
 'use strict';
 
 const NativeSample = require('../BatchedBridge/NativeModules').Sample;
diff --git a/Libraries/Settings/React-RCTSettings.podspec b/Libraries/Settings/React-RCTSettings.podspec
index e7f06c859c6..7fba8e54d91 100644
--- a/Libraries/Settings/React-RCTSettings.podspec
+++ b/Libraries/Settings/React-RCTSettings.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/Text/React-RCTText.podspec b/Libraries/Text/React-RCTText.podspec
index 888538512ac..4f8bc55b730 100644
--- a/Libraries/Text/React-RCTText.podspec
+++ b/Libraries/Text/React-RCTText.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/TypeSafety/RCTTypeSafety.podspec b/Libraries/TypeSafety/RCTTypeSafety.podspec
index 0bd66ab18d6..d8369138489 100644
--- a/Libraries/TypeSafety/RCTTypeSafety.podspec
+++ b/Libraries/TypeSafety/RCTTypeSafety.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/Libraries/Utilities/BackHandler.ios.js b/Libraries/Utilities/BackHandler.ios.js
index 88093a73e19..e4a49652a66 100644
--- a/Libraries/Utilities/BackHandler.ios.js
+++ b/Libraries/Utilities/BackHandler.ios.js
@@ -4,13 +4,13 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * On Apple TV, this implements back navigation using the TV remote's menu button.
- * On iOS, this just implements a stub.
- *
  * @flow
  * @format
  */
 
+// On Apple TV, this implements back navigation using the TV remote's menu button.
+// On iOS, this just implements a stub.
+
 'use strict';
 
 const Platform = require('./Platform');
diff --git a/Libraries/Utilities/dismissKeyboard.js b/Libraries/Utilities/dismissKeyboard.js
index 50ea162e2ea..98a5cda003a 100644
--- a/Libraries/Utilities/dismissKeyboard.js
+++ b/Libraries/Utilities/dismissKeyboard.js
@@ -4,13 +4,12 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- *
- * This function dismisses the currently-open keyboard, if any
- *
  * @flow strict-local
  * @format
  */
 
+// This function dismisses the currently-open keyboard, if any.
+
 'use strict';
 
 const TextInputState = require('../Components/TextInput/TextInputState');
diff --git a/Libraries/Vibration/React-RCTVibration.podspec b/Libraries/Vibration/React-RCTVibration.podspec
index 297ce67c321..d6b3157ea16 100644
--- a/Libraries/Vibration/React-RCTVibration.podspec
+++ b/Libraries/Vibration/React-RCTVibration.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/RNTester/RCTTest/React-RCTTest.podspec b/RNTester/RCTTest/React-RCTTest.podspec
index 0ee3195ce00..bddda51c581 100644
--- a/RNTester/RCTTest/React-RCTTest.podspec
+++ b/RNTester/RCTTest/React-RCTTest.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/React-Core.podspec b/React-Core.podspec
index 4a2839db2a7..733e4c16a54 100644
--- a/React-Core.podspec
+++ b/React-Core.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/React.podspec b/React.podspec
index 50298c2ee40..1e3fba01f4c 100644
--- a/React.podspec
+++ b/React.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/React/CoreModules/React-CoreModules.podspec b/React/CoreModules/React-CoreModules.podspec
index 5c62b379dec..5d8e2266012 100644
--- a/React/CoreModules/React-CoreModules.podspec
+++ b/React/CoreModules/React-CoreModules.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/React/React-RCTFabric.podspec b/React/React-RCTFabric.podspec
index 0a04a5d494c..980cb4b4ee6 100644
--- a/React/React-RCTFabric.podspec
+++ b/React/React-RCTFabric.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/ReactAndroid/src/main/java/com/facebook/react/modules/core/ChoreographerCompat.java b/ReactAndroid/src/main/java/com/facebook/react/modules/core/ChoreographerCompat.java
index d6cad6a8bb8..19f71b0cca7 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/modules/core/ChoreographerCompat.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/modules/core/ChoreographerCompat.java
@@ -3,9 +3,10 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
- *
- *  This file was pulled from the facebook/rebound repository.
  */
+
+// This file was pulled from the facebook/rebound repository.
+
 package com.facebook.react.modules.core;
 
 import android.os.Handler;
diff --git a/ReactCommon/React-Fabric.podspec b/ReactCommon/React-Fabric.podspec
index 8d0c546e9e3..418c1d7866d 100644
--- a/ReactCommon/React-Fabric.podspec
+++ b/ReactCommon/React-Fabric.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/ReactCommon/ReactCommon.podspec b/ReactCommon/ReactCommon.podspec
index d46637308b4..019e8ed9403 100644
--- a/ReactCommon/ReactCommon.podspec
+++ b/ReactCommon/ReactCommon.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/ReactCommon/cxxreact/React-cxxreact.podspec b/ReactCommon/cxxreact/React-cxxreact.podspec
index 3f1a214f0d2..b9912a6387c 100644
--- a/ReactCommon/cxxreact/React-cxxreact.podspec
+++ b/ReactCommon/cxxreact/React-cxxreact.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/ReactCommon/fabric/graphics/React-graphics.podspec b/ReactCommon/fabric/graphics/React-graphics.podspec
index 43dbceebef8..7ea7bc62e2c 100644
--- a/ReactCommon/fabric/graphics/React-graphics.podspec
+++ b/ReactCommon/fabric/graphics/React-graphics.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/ReactCommon/jsi/React-jsi.podspec b/ReactCommon/jsi/React-jsi.podspec
index b297c5fedfe..ff31e6b99b6 100644
--- a/ReactCommon/jsi/React-jsi.podspec
+++ b/ReactCommon/jsi/React-jsi.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/ReactCommon/jsiexecutor/React-jsiexecutor.podspec b/ReactCommon/jsiexecutor/React-jsiexecutor.podspec
index 6ee7e3c9067..658ca4925dd 100644
--- a/ReactCommon/jsiexecutor/React-jsiexecutor.podspec
+++ b/ReactCommon/jsiexecutor/React-jsiexecutor.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/ReactCommon/jsinspector/React-jsinspector.podspec b/ReactCommon/jsinspector/React-jsinspector.podspec
index 63db57a4900..5830d9c92c7 100644
--- a/ReactCommon/jsinspector/React-jsinspector.podspec
+++ b/ReactCommon/jsinspector/React-jsinspector.podspec
@@ -1,4 +1,3 @@
-# coding: utf-8
 # Copyright (c) Facebook, Inc. and its affiliates.
 #
 # This source code is licensed under the MIT license found in the
diff --git a/flow/jest.js b/flow/jest.js
index 8975e3b33c8..d41b4799c95 100644
--- a/flow/jest.js
+++ b/flow/jest.js
@@ -4,16 +4,17 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * Modified from https://raw.githubusercontent.com/flow-typed/flow-typed/master/definitions/npm/jest_v23.x.x/flow_v0.39.x-/jest_v23.x.x.js
- * List of modifications:
- *  - fix some [] -> Array lint warnings
- *  - make it.each/describe.each take $ReadOnlyArray instead of Array<mixed>
- *  - added definition for `isolateModules`
- *
- * TODO(T35016336) remove the .each modifications if flow-typed adopts them
  * @format
  */
 
+// Modified from https://raw.githubusercontent.com/flow-typed/flow-typed/master/definitions/npm/jest_v23.x.x/flow_v0.39.x-/jest_v23.x.x.js
+// List of modifications:
+//  - fix some [] -> Array lint warnings
+//  - make it.each/describe.each take $ReadOnlyArray instead of Array<mixed>
+//  - added definition for `isolateModules`
+//
+// TODO(T35016336) remove the .each modifications if flow-typed adopts them
+
 type JestMockFn<TArguments: $ReadOnlyArray<mixed>, TReturn> = {|
   (...args: TArguments): TReturn,
   /**
diff --git a/runXcodeTests.sh b/runXcodeTests.sh
index 83bfe1d0a92..4cdf2197396 100755
--- a/runXcodeTests.sh
+++ b/runXcodeTests.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # This script should be run from the react-native root
 
 THIS_DIR=$(cd -P "$(dirname "$(readlink "${BASH_SOURCE[0]}" || echo "${BASH_SOURCE[0]}")")" && pwd)
diff --git a/scripts/android-e2e-test.js b/scripts/android-e2e-test.js
index be4d076acc7..692d19ae33f 100644
--- a/scripts/android-e2e-test.js
+++ b/scripts/android-e2e-test.js
@@ -4,27 +4,30 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * Used in run-ci-e2e-test.js and executed in Circle CI.
- * E2e test that verifies that init app can be installed, compiled, started and Hot Module reloading and Chrome debugging work.
- * For other examples of appium refer to: https://github.com/appium/sample-code/tree/master/sample-code/examples/node and
- * https://www.npmjs.com/package/wd-android
- *
- *
- * To set up:
- * - npm install --save-dev appium@1.11.1 mocha@2.4.5 wd@1.11.1 colors@1.0.3 pretty-data2@0.40.1
- * - cp <this file> <to app installation path>
- * - keytool -genkey -v -keystore android/app/debug.keystore -storepass android -alias androiddebugkey -keypass android -keyalg RSA -keysize 2048 -validity 10000 -dname "CN=Android Debug,O=Android,C=US"
- *
- * To run this test:
- * - npm start
- * - node node_modules/.bin/appium
- * - (cd android && ./gradlew :app:copyDownloadableDepsToLibs)
- * - react-native run-android
- * - node ../node_modules/.bin/_mocha ../android-e2e-test.js
- *
  * @format
  */
 
+// Used in run-ci-e2e-test.js and executed in Circle CI.
+//
+// E2e test that verifies that init app can be installed, compiled, started and
+// Hot Module reloading and Chrome debugging work.
+//
+// For other examples of appium refer to:
+// https://github.com/appium/sample-code/tree/master/sample-code/examples/node and
+// https://www.npmjs.com/package/wd-android
+//
+// To set up:
+// - npm install --save-dev appium@1.11.1 mocha@2.4.5 wd@1.11.1 colors@1.0.3 pretty-data2@0.40.1
+// - cp <this file> <to app installation path>
+// - keytool -genkey -v -keystore android/app/debug.keystore -storepass android -alias androiddebugkey -keypass android -keyalg RSA -keysize 2048 -validity 10000 -dname "CN=Android Debug,O=Android,C=US"
+//
+// To run this test:
+// - npm start
+// - node node_modules/.bin/appium
+// - (cd android && ./gradlew :app:copyDownloadableDepsToLibs)
+// - react-native run-android
+// - node ../node_modules/.bin/_mocha ../android-e2e-test.js
+
 /* eslint-env mocha */
 
 'use strict';
diff --git a/scripts/android-setup.sh b/scripts/android-setup.sh
index 3032d0c69f2..a0e0a0335ef 100755
--- a/scripts/android-setup.sh
+++ b/scripts/android-setup.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # inspired by https://github.com/Originate/guide/blob/master/android/guide/Continuous%20Integration.md
 
 # shellcheck disable=SC1091
diff --git a/scripts/generate-rncore.sh b/scripts/generate-rncore.sh
index cf0a002f1c8..5e67d91c812 100755
--- a/scripts/generate-rncore.sh
+++ b/scripts/generate-rncore.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # This script collects the "core" component schemas used by fabric
 # then uses react-native-codegen to generate the component headers
 # to a location that the podspecs expect.
diff --git a/scripts/objc-test.sh b/scripts/objc-test.sh
index 69f4287a895..d2848dc42a5 100755
--- a/scripts/objc-test.sh
+++ b/scripts/objc-test.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # Script used to run iOS tests.
 # If no arguments are passed to the script, it will only compile
 # the RNTester.
diff --git a/scripts/react-native-xcode.sh b/scripts/react-native-xcode.sh
index 3cee6426783..6e80f843fab 100755
--- a/scripts/react-native-xcode.sh
+++ b/scripts/react-native-xcode.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # Bundle React Native app's code and image assets.
 # This script is supposed to be invoked as part of Xcode build process
 # and relies on environment variables (including PWD) set by Xcode
diff --git a/scripts/run-android-emulator.sh b/scripts/run-android-emulator.sh
index b1d28e56f46..628857d1fe3 100755
--- a/scripts/run-android-emulator.sh
+++ b/scripts/run-android-emulator.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # Runs an Android emulator locally.
 # If there already is a running emulator, this just uses that.
 # The only reason to use this config is that it represents a known-good
diff --git a/scripts/run-android-local-integration-tests.sh b/scripts/run-android-local-integration-tests.sh
index 9fd5fb63a04..3b8e9026df8 100755
--- a/scripts/run-android-local-integration-tests.sh
+++ b/scripts/run-android-local-integration-tests.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # Runs all Android integration tests locally.
 # See http://facebook.github.io/react-native/docs/testing.html
 
diff --git a/scripts/run-android-local-unit-tests.sh b/scripts/run-android-local-unit-tests.sh
index 6efcd40097a..eafa3ecf93b 100755
--- a/scripts/run-android-local-unit-tests.sh
+++ b/scripts/run-android-local-unit-tests.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # Runs all Android unit tests locally.
 # See http://facebook.github.io/react-native/docs/testing.html
 
diff --git a/scripts/run-instrumentation-tests-via-adb-shell.sh b/scripts/run-instrumentation-tests-via-adb-shell.sh
index fa40a00d36c..c84610c18c2 100755
--- a/scripts/run-instrumentation-tests-via-adb-shell.sh
+++ b/scripts/run-instrumentation-tests-via-adb-shell.sh
@@ -3,10 +3,10 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # Python script to run instrumentation tests, copied from https://github.com/circleci/circle-dummy-android
 # Example: ./scripts/run-android-instrumentation-tests.sh com.facebook.react.tests com.facebook.react.tests.ReactPickerTestCase
-#
+
 export PATH="$ANDROID_HOME/platform-tools:$ANDROID_HOME/tools:$PATH"
 
 # clear the logs
diff --git a/scripts/validate-android-device-env.sh b/scripts/validate-android-device-env.sh
index cfb51c9c58e..b4374a4eee5 100755
--- a/scripts/validate-android-device-env.sh
+++ b/scripts/validate-android-device-env.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # This script validates that the Android environment is set up to run
 # tests on a device or emulator (as opposed to a plain Java environment).
 
diff --git a/scripts/validate-android-sdk.sh b/scripts/validate-android-sdk.sh
index 8480235dbb3..18c950677c3 100755
--- a/scripts/validate-android-sdk.sh
+++ b/scripts/validate-android-sdk.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # This script validates that the Android SDK is installed correctly.
 # This means setting ANDROID_HOME and adding its subdirectories to PATH.
 # If the Android SDK is not installed correctly, this script exits
diff --git a/scripts/validate-android-test-env.sh b/scripts/validate-android-test-env.sh
index 8babcb3131d..2630a490e28 100755
--- a/scripts/validate-android-test-env.sh
+++ b/scripts/validate-android-test-env.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # This script validates that Android is set up correctly for the
 # testing environment.
 #
diff --git a/scripts/validate-ios-test-env.sh b/scripts/validate-ios-test-env.sh
index 695cf46c9f3..de125efb696 100755
--- a/scripts/validate-ios-test-env.sh
+++ b/scripts/validate-ios-test-env.sh
@@ -3,7 +3,7 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-#
+
 # This script validates that iOS is set up correctly for the
 # testing environment.
 #