diff --git a/environment.yml b/environment.yml
index 799db1418e2d32fdb07b6fd7ef668a315ef17d1b..dcb17c4aaf1906927a5d9d5033331f0ad3cd6a29 100644
--- a/environment.yml
+++ b/environment.yml
@@ -1,15 +1,14 @@
-# On linux, you should run this command (or equivalent) also need these packages:
-# > apt install build-essential python3.11-dev swig
+# On linux or MacOS, if you are *not* installing conda, you should install these packages:
+# apt install build-essential python3.11-dev swig
 # (replace 3.11 with your python version; for instance python3.12-dev.
 
-name: irlcenv
+name: irlcenv # You can give the environment another name. It is activate by `conda activate irlcenv`
 channels:
   - pytorch
   - conda-forge
-  #  - nodefaults
 dependencies:
   - python
-  - gymnasium-box2d>=1.0.0
+  - gymnasium[box2d]>=1.0.0
   - pytorch
   - sympy
   - tqdm
@@ -17,7 +16,7 @@ dependencies:
   - pillow
   - scikit-learn
   - matplotlib
-  - requests # Required when updating the local files (read stuff from gitlab).
+  - requests
   - qtpy # Try pyqt, pyqt6 on other platforms.
   - pygame
   - pip