Update README.v2.1.md

Author: Rahul0521

README.v2.1.md

@@ -1,20 +1,20 @@
 Swift Weather
 ============
 
-SwiftWeather is an iOS weather app developed in Swift language. The app can support iPhone 4(s), iPhone 5(s), iPhone 6 and iPhone 6 Plus. The app also supports Today Widgets.
+SwiftWeather is an iOS weather app developed in the Swift language. The app can support iPhone 4(s), iPhone 5(s), iPhone 6, and iPhone 6 Plus. The app also supports Today Widgets.
 
 ## Notices
-The current version is working with Xcode Version 6.4 (6E35b). If you have any issue, please check the Xcode version. If there is still a problem with the supported versions, please raise an issue, thanks. 
+The current version is working with Xcode Version 6.4 (6E35b). If you have any issues, please check the Xcode version. If there is still a problem with the supported versions, please raise an issue, thanks. 
 
 ## Version 2.1
 This is version 2.1. I have removed Carthage because some developers don't have a paid Apple iOS developer account and they have issues to build Carthage packages. 
 
-There are two major version for the app released before.
+There are two major versions of the app released before.
 
 * V1.0 - Support iOS 7+ using CocoaPods and AFNetworking. [README.v1.md](https://github.com/JakeLin/SwiftWeather/blob/master/README.v1.md) and [Release V1 - Using Cocoapods and AFNetworking](https://github.com/JakeLin/SwiftWeather/releases/tag/V1)
 * V2.0 - Support iOS 8+ using Carthage, Alamofire and SwiftyJSON. [README.v2.md](https://github.com/JakeLin/SwiftWeather/blob/master/README.v2.md) and [Release V2.0](https://github.com/JakeLin/SwiftWeather/releases/tag/v2.0)* 
 
-V2.1 will be the last version support iOS 8. I am working on Xcode 7 to support iOS 9 only features like `UIStackView`. Happy coding.
+V2.1 will be the last version to support iOS 8. I am working on Xcode 7 to support iOS 9 only features like `UIStackView`. Happy coding.
 
 ## Screenshots
 ![Loading](https://raw.githubusercontent.com/JakeLin/SwiftWeather/master/screenshots/loading-33.png)
@@ -41,7 +41,7 @@ $ git clone https://github.com/JakeLin/SwiftWeather.git
 $ cd SwiftWeather
 ```
 
-2) Initialize submodule dependancies
+2) Initialize submodule dependencies
 
 ```
 $ git submodule update --init --recursive
@@ -62,4 +62,4 @@ $ open "Swift Weather.xcodeproj"
 
 ## Credits
 * Thanks to [johnsonjake](https://github.com/johnsonjake) for adding iOS 8 support and improving the UI/UX.
-* Thanks to [Marc](https://github.com/gizmou) for adding forcast feature, widget and app icon.
+* Thanks to [Marc](https://github.com/gizmou) for adding forecast feature, widget, and app icon.