updated link to the tutorial doc

Author: ansoboleva

README.md

@@ -12,6 +12,6 @@ The official [ArangoDB](https://www.arangodb.com/) Java Driver.
 - [ChangeLog](ChangeLog.md)
 - [Examples](src/test/java/com/arangodb/example)
 - [Examples Async](src/test/java/com/arangodb/async/example)
-- [Tutorial](https://www.arangodb.com/tutorials/tutorial-sync-java-driver/)
+- [Tutorial](https://www.arangodb.com/docs/stable/drivers/java-tutorial.html)
 - [Documentation](https://www.arangodb.com/docs/stable/drivers/java.html)
 - [JavaDoc](http://arangodb.github.io/arangodb-java-driver/)