diff --git a/README.md b/README.md
index 57bc338..563835a 100644
--- a/README.md
+++ b/README.md
@@ -21,4 +21,5 @@ Repository to accompany the following blog posts:
 - [Using MetalKit part 17](http://metalkit.org/2016/09/24/using-metalkit-part-17.html)
 - [Using MetalKit part 18](http://metalkit.org/2016/10/01/using-metalkit-part-2-3-2.html)
 - [Raymarching in Metal](http://metalkit.org/2016/12/30/raymarching-in-metal.html)
-- [Shadows in Metal part 1](http://metalkit.org/2017/01/31/shadows-in-metal-part-1.html)
\ No newline at end of file
+- [Shadows in Metal part 1](http://metalkit.org/2017/01/31/shadows-in-metal-part-1.html)
+- [Shadows in Metal part 2](http://metalkit.org/2017/02/28/shadows-in-metal-part-2.html)
\ No newline at end of file
diff --git a/shadows/shadows2.playground/playground.xcworkspace/xcuserdata/marius.xcuserdatad/UserInterfaceState.xcuserstate b/shadows/shadows2.playground/playground.xcworkspace/xcuserdata/marius.xcuserdatad/UserInterfaceState.xcuserstate
index 6414c11..58b9efb 100644
Binary files a/shadows/shadows2.playground/playground.xcworkspace/xcuserdata/marius.xcuserdatad/UserInterfaceState.xcuserstate and b/shadows/shadows2.playground/playground.xcworkspace/xcuserdata/marius.xcuserdatad/UserInterfaceState.xcuserstate differ