Update README.md

README.md

@@ -48,20 +48,21 @@ In the following, `ROOT` is a variable standing for the root directory where the
 export ROOT=${HOME}/cimpa
 ```
 
-The lecture and exercices are given in the form of python notebooks. To download all the course you can download all the files clicking on the links given above or use the `git`command. To clone the git repository and get the course:
+The lecture and exercices are given in the form of python notebooks. To download all the course you can download all the files clicking on the links given above or use the `git` command ([git](https://git-scm.com/downloads)). To clone the git repository and get the course:
 ```bash
 cd $ROOT
 git clone git@gitlab.irit.fr:toc/cimpa/gnmoc.git
 ```
 
-Create the cimpa conda environment:
+The course uses python packages (see `pkg/env` directory). All theses packages may be installed in a conda environment for ease of use.
+If you do not have the `conda` command, please install [miniconda](https://docs.conda.io/en/latest/miniconda.html) or [conda](https://docs.conda.io/en/latest/) (conda is longer to install than miniconda). Then, create the cimpa conda environment:
 ```bash
 cd $ROOT/gnmoc
 conda env create -f pkg/env/cimpa-<YOUR_OS>.yaml
 ```
 Where <YOUR_OS> must be replaced by ```linux```, ```mac``` or ```windows```, according to the platform used.
 
-Activate the cimpa conda environment:
+Activate the cimpa conda environment to get access to all the packages:
 ```bash
 conda activate cimpa
 ```