README.md in trackler-2.2.0.1

- old
+ new

@@ -9,10 +9,10 @@
 
 _Document how to contribute to the Julia track._
 
 ## Contributing Guide
 
-Please see the [contributing guide](https://github.com/exercism/x-common/blob/master/CONTRIBUTING.md).
+Please see the [contributing guide](https://github.com/exercism/docs/blob/master/contributing-to-language-tracks/README.md).
 
 ## Working on the Exercises
 
 ### Implementing an exercise