update README

Author: nicolaschengdev

README.md

@@ -94,8 +94,6 @@ WYPopoverController uses ARC.
 
 ~~iOS SDK 7.0 (with Xcode 5) is required.~~
 
-Xcode 5 is not required.
-
 #### Cocoapods
 
 Add this line `pod 'WYPopoverController', '~> 0.1.3'` to your PodFile.
@@ -107,6 +105,13 @@ platform :ios, '7.0'
 pod 'WYPopoverController', '~> 0.1.3'
 ```
 
+To use the `master` branch of the repo :
+
+```Ruby
+platform :ios, '6.0'
+pod 'WYPopoverController',      :git => 'https://github.com/nicolaschengdev/WYPopoverController.git'
+```
+
 #### Manually
 
 Add these 4 files `WYPopoverController.h`, `WYPopoverController.m`, `WYStoryboardPopoverSegue.h`, `WYStoryboardPopoverSegue.m` and add `Quartzcore` framework to your project.