GETTING_STARTED.md: xjava -> java

exercises/hello-world/GETTING_STARTED.md

@@ -5,7 +5,7 @@ This guide picks-up where [Running the Tests (in Java)](http://exercism.io/langu
 left off.  If you haven't reviewed those instructions, do so now.
 
 Need more information?  A **step-by-step tutorial** is available in this directory at TUTORIAL.md or you can read 
-the [HTML version](https://github.com/exercism/xjava/blob/master/exercises/hello-world/TUTORIAL.md).
+the [HTML version](https://github.com/exercism/java/blob/master/exercises/hello-world/TUTORIAL.md).
 
 The following instructions work equally well on Windows, Mac OS X and Linux.