Update README.md

update tutorial link

Author: aaron

README.md

@@ -44,7 +44,7 @@ Generate a Python package project by simple run:
   ppw
 ```
 
-Then follow **[Tutorial](https://zillionare.github.io/cookiecutter-pypackage/)** to finish other configurations.
+Then follow **[Tutorial](https://zillionare.github.io/cookiecutter-pypackage/tutorial/)** to finish other configurations.
 
 # Credits