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 ## About "Let's be Rational"
 
-["Let's Be Rational"](http://www.pjaeckel.webspace.virginmedia.com/LetsBeRational.pdf>) is a paper by [Peter Jäckel](http://jaeckel.org) showing *"how Black's volatility can be implied from option prices with as little as two iterations to maximum attainable precision on standard (64 bit floating point) hardware for all possible inputs."*
+["Let's Be Rational"](http://www.jaeckel.org/LetsBeRational.pdf) is a paper by [Peter Jäckel](http://jaeckel.org) showing *"how Black's volatility can be implied from option prices with as little as two iterations to maximum attainable precision on standard (64 bit floating point) hardware for all possible inputs."*
 
 The paper is accompanied by the full C source code, which resides at [www.jaeckel.org/LetsBeRational.7z](www.jaeckel.org/LetsBeRational.7z).