Update README.md

Author: hdodenhof

README.md

@@ -1,7 +1,7 @@
 CircleImageView
 ===============
 
-A fast circular ImageView perfect for profile images. This is based on [RoundedImageView from Vince Mi](https://github.com/vinc3m1/RoundedImageView) which itself is based on [techniques recommended by Romain Guy](http://www.curious-creature.org/2012/12/11/android-recipe-1-image-with-rounded-corners/).
+A fast circular ImageView perfect for profile images. This is based on [RoundedImageView from Vince Mi](https://github.com/vinc3m1/RoundedImageView) which itself is based on techniques recommended by [Romain Guy](https://twitter.com/romainguy).
 
 ![CircleImageView](https://raw.github.com/hdodenhof/CircleImageView/master/screenshot.png)