README update

README.md

@@ -66,7 +66,7 @@ Good mood
 
 ##Contribution
 
-For the latest version, please check **develop** branch. Changes from this branch will be merged into the **master** branch at some point.
+For the latest version, please check [develop](https://github.com/krzyzanowskim/CryptoSwift/tree/develop) branch. Changes from this branch will be merged into the [master](https://github.com/krzyzanowskim/CryptoSwift/tree/master) branch at some point.
 
 - If you want to contribute, submit a [pull request](https://github.com/krzyzanowskim/CryptoSwift/pulls) against a development `develop` branch.
 - If you found a bug, [open an issue](https://github.com/krzyzanowskim/CryptoSwift/issues).
@@ -93,11 +93,11 @@ Sometimes "embedded framework" option is not available. In that case, you have t
 In the project, you'll find [single scheme](http://promisekit.org/news/2016/08/Multiplatform-Single-Scheme-Xcode-Projects/) for all platforms:
 - CryptoSwift
 
-####Older Swift
+####Older Swift versions
 
-- Swift 1.2: branch [swift12](https://github.com/krzyzanowskim/CryptoSwift/tree/swift12).
-- Swift 2.1: branch [swift21](https://github.com/krzyzanowskim/CryptoSwift/tree/swift21)
-- Swift 2.x: branch [swift2](https://github.com/krzyzanowskim/CryptoSwift/tree/swift2)
+- Swift 1.2: branch [swift12](https://github.com/krzyzanowskim/CryptoSwift/tree/swift12) version <= 0.0.13
+- Swift 2.1: branch [swift21](https://github.com/krzyzanowskim/CryptoSwift/tree/swift21) version <= 0.2.3
+- Swift 2.2, 2.3: branch [swift2](https://github.com/krzyzanowskim/CryptoSwift/tree/swift2) version <= 0.5.2
 
 ####CocoaPods