Using-Fidle/Linux-installation-with-pip.md

-
 **- Notes -**
 
 - This installation procedure is based on the official Tensorflow and PyTorch procedure, \
@@ -53,7 +52,7 @@ $ source ./fidle-env/bin/activate
 We can now install all the necessary modules in our python environment :
 
 ```plaintext
-(fidle-env) $ pip install --extra-index-url https://download.pytorch.org/whl/cpu \
+(fidle-env) $ pip install --index-url https://download.pytorch.org/whl/cpu \
                           torch             \
                           torchvision       \
                           torch-geometric   \
@@ -80,6 +79,8 @@ We can now install all the necessary modules in our python environment :
 
 It will take a little while, but should go very well :-)
 
+**Note :** If you have a **GPU** and want to use it, you need to adapt the `--index-url` options in accordance with the PyTorch documentation: https://pytorch.org/get-started/locally/
+
 ## 4 - Install notebooks et datasets
 
 Now all that remains is to install the notebooks and datasets :-)\