Updated link of CS 193p (#30)

README.md

@@ -273,7 +273,7 @@ Courses
 
 ### Mobile Applications Development
 - [MOOC Programming Mobile Applications for Android Handheld Systems - University of Maryland](https://www.youtube.com/playlist?list=PLkHsKoi6eZnwilGXUc95CqS7Vw4uLLDLG)
-- [CS 193p - Developing Applications for iOS, Stanford University](https://itunes.apple.com/us/course/developing-ios-7-apps-for/id733644550)
+- [CS 193p - Developing Applications for iOS, Stanford University](https://itunes.apple.com/us/course/developing-ios-9-apps-swift/id1104579961)
 - [CS S-76 Building Mobile Applications - Harvard](http://cs76.tv/2013/summer/)
 - [Android App Development for Beginners Playlist - thenewboston](https://www.youtube.com/playlist?list=PL6gx4Cwl9DGBsvRxJJOzG4r4k_zLKrnxl)
 - [Android Application Development Tutorials - thenewboston](https://www.youtube.com/playlist?list=PL2F07DBCDCC01493A)