trying to fix links

Author: guglielmopadula

tutorials/README.md

@@ -11,7 +11,7 @@ In this folder we collect several useful tutorials in order to understand the pr
 | Tutorial4 [[.ipynb](https://github.com/mathLab/PyGeM/blob/master/tutorials/tutorial4/tutorial-4-idw.ipynb), [.py](https://github.com/mathLab/PyGeM/blob/master/tutorials/tutorial4/tutorial-4-idw.py), [.html](http://mathlab.github.io/PyGeM/tutorial-4-idw.html)] | inverse distance weighting to deform a cubic mesh | `pygem.IDW`  | `numpy.ndarray` |
 | Tutorial5 [[.ipynb](https://github.com/mathLab/PyGeM/blob/master/tutorials/tutorial5/tutorial-5-file.ipynb), [.py](https://github.com/mathLab/PyGeM/blob/master/tutorials/tutorial5/tutorial-5-file.py), [.html](http://mathlab.github.io/PyGeM/tutorial-5-file.html)] | free-form deformation to deform an object contained to file | `pygem.FFD`  | `.vtp` file, `.stl` file |
 | Tutorial6 [[.ipynb](https://github.com/fAndreuzzi/PyGeM/blob/master/tutorials/tutorial6/tutorial-6-ffd-rbf.ipynb), [.py](https://github.com/fAndreuzzi/PyGeM/blob/master/tutorials/tutorial6/tutorial-6-ffd-rbf.py), [.html](http://mathlab.github.io/PyGeM/tutorial-6-ffd-rbf.html)] | interpolation of an OpenFOAM mesh after a deformation | `pygem.FFD/RBF`  | OpenFOAM |
-| Tutorial8 [[.ipynb](https://github.com/gpadula/PyGeM/blob/master/tutorials/tutorial6/tutorial-8-cffd.ipynb), [.py](https://github.com/gpadula/PyGeM/blob/master/tutorials/tutorial8/tutorial-8-cffd.py), [.html](http://mathlab.github.io/PyGeM/tutorial-8-cffd.html)] | constrained free form deformation | `pygem.CFFD/BFFD/VFFD`  | `.stl` file |
+| Tutorial8 [[.ipynb](https://github.com/guglielmopadula/PyGeM/blob/master/tutorials/tutorial8/tutorial-8-cffd.ipynb), [.py](https://github.com/guglielmopadula/PyGeM/blob/master/tutorials/tutorial8/tutorial-8-cffd.py), [.html](http://mathlab.github.io/PyGeM/tutorial-8-cffd.html)] | constrained free form deformation | `pygem.CFFD/BFFD/VFFD`  | `.stl` file |
 
 
 # Old version