Update link for PDF of the Poignant Guide

Author: Rachel Evans

ruby/lesson2/tutorial.md

@@ -242,7 +242,7 @@ If you are working through this at home you can ask for help in our [slack chann
 
 ## Some reading material
 
-[Why's poignant guide to Ruby](http://poignant.guide/) is a cartoon written about Ruby by a programmer called Why the Lucky Stiff. You can also download the [pdf version](http://cloud.github.com/downloads/devyn/shoes-web/whys-poignant-guide-to-ruby.pdf).
+[Why's poignant guide to Ruby](http://poignant.guide/) is a cartoon written about Ruby by a programmer called Why the Lucky Stiff. You can also download the [pdf version](http://www.rubyinside.com/media/poignant-guide.pdf).
 
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 This ends our **Ruby basics** tutorial. Is there something you don't understand? Try and go through the provided resources with your coach. If you have any feedback, or can think of ways to improve this tutorial [send us an email](mailto:[email protected]) and let us know.