diff --git a/pyproject.toml b/pyproject.toml
index 3f6f3bc..78d22b4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,10 @@ homepage = "https://github.com/YunoHost-Apps/django_example_ynh"
 
 [tool.poetry.dependencies]
 python = ">=3.7,<4.0.0"  # TODO: Update to >=3.8 after YunoHost updates to Bullseye
-django_yunohost_integration = {version = ">=0.4.1", extras = ["ynh"]}
+
+# extras "ynh" will install: gunicorn, psycopg2, django-redis and django-axes
+# see: https://github.com/YunoHost-Apps/django_yunohost_integration/blob/main/pyproject.toml
+django_yunohost_integration = {version = ">=0.4.1", extras = ["ynh"]}  # https://github.com/YunoHost-Apps/django_yunohost_integration
 
 [tool.poetry.dev-dependencies]
 bx_py_utils = "*"  # https://github.com/boxine/bx_py_utils