diff --git a/shell.nix b/shell.nix
index 2dbf04f..7edbeae 100644
--- a/shell.nix
+++ b/shell.nix
@@ -2,14 +2,13 @@
   tinypkgs ? import (fetchTarball https://gitlab.inria.fr/nix-tutorial/packages-repository/-/archive/master/packages-repository-master.tar.gz) {}
 }:
 
-with tinypkgs; # Put tinypkgs's attributes in the current scope.
-with pkgs; # Same for pkgs.
+with tinypkgs; 
+with pkgs; 
 
 mkShell {
   buildInputs = [
     chord
 
-    # Defines a python + set of packages.
     (python3.withPackages (ps: with ps; with python3Packages; [
       jupyter
       ipython
@@ -20,6 +19,5 @@ mkShell {
     ]))
   ];
 
-  # Automatically run jupyter when entering the shell.
   shellHook = "jupyter notebook";
 }