Update README.md

Author: siara-cc

README.md

@@ -4,7 +4,7 @@
 
 Shox96 can achieve upto 60% compression depending on the composition of text.  This can be especially useful in constrained environments like Arduino Uno where only 32kb of Flash memory is available.
 
-To find out how Shox96 works, read [this article](Shox96_Article_0_2_0.pdf?raw=true).
+To find out how Shox96 works, read [this article](https://github.com/siara-cc/Shox96/blob/master/Shox96_Article_0_2_0.pdf?raw=true).
 
 ## Applications