Update readme.md

Labs/Lab_3_LiDAR_ML_Segmentation/readme.md

@@ -14,7 +14,7 @@ We aim at performing a classification over a 3D cloud obtained from ground LiDAR
 `References/BroduLague_ISPRS.pdf` :: Brodu & Lague, (2012) paper 
 
 
-### otebook and scripts:
+### Notebook and scripts:
 
 `EDS_Lab_3_LiDARClassML.ipynb` :: Lab notebook
 
@@ -22,6 +22,9 @@ We aim at performing a classification over a 3D cloud obtained from ground LiDAR
 
 ### Data sets directories: 
 
+For sake of sobriety, the data are located on a `local` directory placed in `/data/EDS/Lab_3/`. 
+
+
 `LiDARDunes`  ::  Dune and vegetation (**for prototpying, please use this one**)
 
 `Forest`  :: Forest and ground