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@@ -9,7 +9,7 @@ Read things here before you start.
 - [CAP Theorem](http://en.wikipedia.org/wiki/CAP_theorem), Also [plain english](http://ksat.me/a-plain-english-introduction-to-cap-theorem/) explanation
 - [Fallacies of Distributed Computing](http://en.wikipedia.org/wiki/Fallacies_of_distributed_computing), expect things to break, *everything*
 - [Distributed systems theory for the distributed engineer](http://the-paper-trail.org/blog/distributed-systems-theory-for-the-distributed-systems-engineer/), most of the papers/books in the blog might reappear in this list again. Still a good BFS approach to distributed systems.
-- [FLP Impossibility Result (paper)](http://cs-www.cs.yale.edu/homes/arvind/cs425/doc/fischer.pdf), an easier [blog post](http://the-paper-trail.org/blog/a-brief-tour-of-flp-impossibility/) to follow along
+- [FLP Impossibility Result (paper)](https://groups.csail.mit.edu/tds/papers/Lynch/jacm85.pdf), an easier [blog post](http://the-paper-trail.org/blog/a-brief-tour-of-flp-impossibility/) to follow along
 - [An Introduction to Distributed Systems](https://github.com/aphyr/distsys-class) @aphyr's excellent introduction to distributed systems 
 
 ## Books