Fix typos

Author: ay8s

README.md

@@ -60,8 +60,8 @@ The delegate is responsible for dismissing the picker when the operation complet
 
 The example above shows the recommended way to show the picker in a modal. There are currently three available controllers to show the picker depending on your application needs:
 
- * [WPMediaPickerViewController](Pod/Classes/WPMediaPickerViewController.h), this is the base collection view controller that displays the media. It can be used inside another view controllers using containment.
- * [WPInputMediaPickerViewController](Pod/Classes/WPInputMediaPickerViewController.h), a wrapper of the WPMediaPickerController to be used has an inputView of an UIControl. 
+ * [WPMediaPickerViewController](Pod/Classes/WPMediaPickerViewController.h), this is the base collection view controller that displays the media. It can be used inside other view controllers using containment.
+ * [WPInputMediaPickerViewController](Pod/Classes/WPInputMediaPickerViewController.h), a wrapper of the WPMediaPickerController to be used as an inputView of an UIControl. 
  * [WPNavigationMediaPickerViewController](Pod/Classes/WPNavigationMediaPickerViewController.h), a convenience wrapper of the `WPMediaPickerViewController` inside a UINavigationController to show in a modal context.
 
 ### How to configure the appearance of the picker