Update README.md

languages/clojure/README.md

@@ -20,4 +20,4 @@ This is a cross-listing of papers related to Clojure, it's core, contrib and pop
   * QuickCheck
     * [QuickCheck: A Lightweight Tool for Random Testing of Haskell Programs](http://www.cs.tufts.edu/~nr/cs257/archive/john-hughes/quick.pdf)
     * [QuickCheck Testing for Fun and Profit](http://people.inf.elte.hu/center/fulltext.pdf)
-    * Property-Based Testing, best explained in John Hughes own talk at [ClojureWest 2014](https://www.youtube.com/watch?v=zi0rHwfiX1Q&list=PLZdCLR02grLp__wRg5OTavVj4wefg69hM).
+    * Property-Based Testing, best explained in John Hughes own talk [Testing the Hard Stuff and Staying Sane](https://www.youtube.com/watch?v=zi0rHwfiX1Q&list=PLZdCLR02grLp__wRg5OTavVj4wefg69hM).