fixed various spelling errors

docs/AndroidUIPerformance.md

@@ -41,7 +41,7 @@ Once the trace starts collecting, perform the animation or interaction you care
 
 ## Reading the trace
 
-After opening the trace in your browser (preferrably Chrome), you should see something like this:
+After opening the trace in your browser (preferably Chrome), you should see something like this:
 
 ![Example](/react-native/img/SystraceExample.png)
 

docs/Animations.md

@@ -309,7 +309,7 @@ for more information.
 familiar with. It accepts a function as its only argument and calls that
 function before the next repaint. It is an essential building block for
 animations that underlies all of the JavaScript-based animation APIs.  In
-general, you shouldn't need to call this yourself - the animation API's will
+general, you shouldn't need to call this yourself - the animation APIs will
 manage frame updates for you.
 
 ### react-tween-state (Not recommended - use [Animated](#animated) instead)

docs/DevelopmentSetupAndroid.md

@@ -45,7 +45,7 @@ __NOTE__: You need to restart the Command Prompt (Windows) / Terminal Emulator (
 
 ### Use gradle daemon
 
-React Native Android use [gradle](https://docs.gradle.org) as a build system. We recommend to enable gradle daemon functionailty which may result in up to 50% improvement in incremental build times for changes in java code. Learn [here](https://docs.gradle.org/2.9/userguide/gradle_daemon.html) how to enable it for your platform.
+React Native Android use [gradle](https://docs.gradle.org) as a build system. We recommend to enable gradle daemon functionality which may result in up to 50% improvement in incremental build times for changes in java code. Learn [here](https://docs.gradle.org/2.9/userguide/gradle_daemon.html) how to enable it for your platform.
 
 ### Configure your SDK
 

docs/LinkingLibraries.md

@@ -54,7 +54,7 @@ This step is not necessary for libraries that we ship with React Native with the
 exception of `PushNotificationIOS` and `LinkingIOS`.
 
 In the case of the `PushNotificationIOS` for example, you have to call a method
-on the library from your `AppDelegate` every time a new push notifiation is
+on the library from your `AppDelegate` every time a new push notification is
 received.
 
 For that we need to know the library's headers. To achieve that you have to go

docs/NativeComponentsAndroid.md

@@ -57,7 +57,7 @@ Views are created in the `createViewInstance` method, the view should initialize
 
 ## 3. Expose view property setters using `@ReactProp` (or `@ReactPropGroup`) annotation
 
-Properties that are to be reflected in JavaScript needs to be exposed as setter method annotated with `@ReactProp` (or `@ReactPropGroup`). Setter method should take view to be updated (of the current view type) as a first argument and property value as a second argument. Setter should be declared as a `void` method and should be `public`. Property type sent to JS is determined automatically based on the type of value argumen of the setter. The following type of values are currently supported: `boolean`, `int`, `float`, `double`, `String`, `Boolean`, `Integer`, `ReadableArray`, `ReadableMap`. 
+Properties that are to be reflected in JavaScript needs to be exposed as setter method annotated with `@ReactProp` (or `@ReactPropGroup`). Setter method should take view to be updated (of the current view type) as a first argument and property value as a second argument. Setter should be declared as a `void` method and should be `public`. Property type sent to JS is determined automatically based on the type of value argument of the setter. The following type of values are currently supported: `boolean`, `int`, `float`, `double`, `String`, `Boolean`, `Integer`, `ReadableArray`, `ReadableMap`. 
 
 Annotation `@ReactProp` has one obligatory argument `name` of type `String`. Name assigned to the `@ReactProp` annotation linked to the setter method is used to reference the property on JS side.
 

docs/NavigatorComparison.md

@@ -41,7 +41,7 @@ between the two.
 - Development belongs to open-source community - not used by the React Native team on their apps.
   - A result of this is that there is currently a backlog of unresolved bugs, nobody who uses this has stepped up to take ownership for it yet.
 - Wraps UIKit, so it works exactly the same as it would on another native app. Lives in Objective-C and JavaScript.
-  - Consequently, you get the animations and behaviour that Apple has developed.
+  - Consequently, you get the animations and behavior that Apple has developed.
 - iOS only.
 - Includes a navigation bar by default; this navigation bar is not a React Native view component and the style can only be slightly modified.
 

docs/RunningOnDeviceAndroid.md

@@ -20,7 +20,7 @@ Check that your device has been **successfully connected** by running `adb devic
 
 Seeing **device** in the right column means the device is connected. Android - go figure :) You must have **only one device connected**.
 
-Now you can use `react-native run-android` to install and lauch your app on the device.
+Now you can use `react-native run-android` to install and launch your app on the device.
 
 ## Accessing development server from device