diff --git a/conf/settings.py b/conf/settings.py
index f16f24b..1c38a43 100644
--- a/conf/settings.py
+++ b/conf/settings.py
@@ -40,7 +40,7 @@ YNH_CURRENT_HOST = '__YNH_CURRENT_HOST__'  # YunoHost main domain from: /etc/yun
 # config_panel.toml settings:
 
 DEBUG_ENABLED = '__DEBUG_ENABLED__'
-DEBUG = DEBUG_ENABLED == 'YES'
+DEBUG = DEBUG_ENABLED == '1'
 
 LOG_LEVEL = '__LOG_LEVEL__'
 ADMIN_EMAIL = '__ADMIN_EMAIL__'
diff --git a/doc/ADMIN.md b/doc/ADMIN.md
new file mode 100644
index 0000000..a7363cc
--- /dev/null
+++ b/doc/ADMIN.md
@@ -0,0 +1,15 @@
+## Settings and upgrades
+
+Almost everything related to django-for-runners's configuration is handled in a `"../conf/settings.py"` file.
+You can edit the file `/home/yunohost.app/django_for_runners/local_settings.py` to enable or disable features.
+
+Test sending emails, e.g.:
+
+```bash
+ssh admin@yourdomain.tld
+root@yunohost:~# /home/yunohost.app/django_for_runners/manage.py sendtestemail --admins
+```
+
+How to debug a django YunoHost app, take a look into:
+
+* https://github.com/YunoHost-Apps/django_example_ynh#developer-info
diff --git a/doc/DESCRIPTION.md b/doc/DESCRIPTION.md
index 3b199b2..814bac5 100644
--- a/doc/DESCRIPTION.md
+++ b/doc/DESCRIPTION.md
@@ -1,14 +1,11 @@
-![Logo](https://raw.githubusercontent.com/jedie/django-for-runners/main/for_runners/static/Django-ForRunners128.png)
+[![tests](https://github.com/YunoHost-Apps/django-for-runners_ynh/actions/workflows/tests.yml/badge.svg?branch=main)](https://github.com/YunoHost-Apps/django-for-runners_ynh/actions/workflows/tests.yml)
+[![codecov](https://codecov.io/github/jedie/for_runners_ynh/branch/main/graph/badge.svg)](https://app.codecov.io/github/jedie/for_runners_ynh)
+[![for_runners_ynh @ PyPi](https://img.shields.io/pypi/v/for_runners_ynh?label=for_runners_ynh%20%40%20PyPi)](https://pypi.org/project/for_runners_ynh/)
+[![Python Versions](https://img.shields.io/pypi/pyversions/for_runners_ynh)](https://github.com/YunoHost-Apps/django-for-runners_ynh/blob/main/pyproject.toml)
+[![License GPL-3.0-or-later](https://img.shields.io/pypi/l/for_runners_ynh)](https://github.com/YunoHost-Apps/django-for-runners_ynh/blob/main/LICENSE)
 
 [django-for-runners](https://github.com/jedie/django-for-runners) is a libre web-based management for your GPX tracks of your running (or other sports activity). Used [Python](https://www.python.org/)/[Django](https://www.djangoproject.com/).
 
-
-[![pytest](https://github.com/YunoHost-Apps/django-for-runners_ynh/actions/workflows/pytest.yml/badge.svg?branch=master)](https://github.com/YunoHost-Apps/django-for-runners_ynh/actions/workflows/pytest.yml) [![YunoHost apps package linter](https://github.com/YunoHost-Apps/django-for-runners_ynh/actions/workflows/package_linter.yml/badge.svg)](https://github.com/YunoHost-Apps/django-for-runners_ynh/actions/workflows/package_linter.yml) [![Coverage Status on codecov.io](https://codecov.io/gh/YunoHost-Apps/django-for-runners_ynh/branch/master/graph/badge.svg)](https://codecov.io/gh/YunoHost-Apps/django-for-runners_ynh)
-
-![django-for-runners @ PyPi](https://img.shields.io/pypi/v/django-for-runners?label=django-for-runners%20%40%20PyPi)
-![Python Versions](https://img.shields.io/pypi/pyversions/django-for-runners)
-![License GPL V3+](https://img.shields.io/pypi/l/django-for-runners)
-
 Pull requests welcome ;)
 
 This package for YunoHost used [django-yunohost-integration](https://github.com/YunoHost-Apps/django_yunohost_integration)
diff --git a/for_runners_ynh/cli/dev.py b/for_runners_ynh/cli/dev.py
index 92d4495..fbf1d89 100644
--- a/for_runners_ynh/cli/dev.py
+++ b/for_runners_ynh/cli/dev.py
@@ -336,7 +336,12 @@ def diffsettings():
         },
     )
     app_path = destination / 'opt_yunohost'
-    verbose_check_call(sys.executable, app_path / 'manage.py', 'diffsettings', cwd=app_path)
+    verbose_check_call(
+        sys.executable,
+        app_path / 'manage.py',
+        'diffsettings',
+        cwd=app_path,
+    )
 
 
 cli.add_command(diffsettings)
diff --git a/manifest.toml b/manifest.toml
index 9686e69..63ca302 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -13,12 +13,12 @@ maintainers = ["Jens Diemer"]
 [upstream]
 # https://yunohost.org/en/packaging_manifest#upstream-section
 license = "GPL-3.0-or-later"
-website = "https://github.com/YunoHost-Apps/django-for-runners_ynh"
 admindoc = "https://github.com/YunoHost-Apps/django-for-runners_ynh"
 userdoc = "https://github.com/jedie/django-for-runners"
 code = "https://github.com/YunoHost-Apps/django-for-runners_ynh"
 
 
+
 [integration]
 # https://yunohost.org/en/packaging_manifest#integration-section
 yunohost = ">=11"
@@ -31,7 +31,10 @@ ram.build = "50M" # **estimate** minimum ram requirement. e.g. 50M, 400M, 1G, ..
 ram.runtime = "50M" # **estimate** minimum ram requirement. e.g. 50M, 400M, 1G, ...
 
 
+
 [install]
+# https://yunohost.org/en/packaging_manifest#install-questions
+
     [install.domain]
     # this is a generic question - ask strings are automatically handled by Yunohost's core
     type = "domain"
@@ -61,11 +64,9 @@ ram.runtime = "50M" # **estimate** minimum ram requirement. e.g. 50M, 400M, 1G,
     type = "email"
     example = "admin@example.com"
 
-    [install.debug_enabled] # __DEBUG_ENABLED__
+    [install.debug_enabled] # __DEBUG_ENABLED__ will be set to "0" or "1" string
     ask.en = "Should be never enabled in production!"
-    type = "select"
-    choices = ["YES", "NO"]
-    default = "NO"
+    type = "boolean"
 
     [install.log_level] # __LOG_LEVEL__
     ask.en = "Logging level"
diff --git a/pyproject.toml b/pyproject.toml
index 4fb6ff9..2262df2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "bx_django_utils",  # https://github.com/boxine/bx_django_utils
-    "beautifulsoup4",
+    "beautifulsoup4",  # https://pypi.org/project/beautifulsoup4/
     #
     # TODO: Remove "pytest" and use normal unittests ;)
     "pytest",
@@ -196,6 +196,7 @@ cookiecutter_directory = "yunohost_django_package"
 applied_migrations = [
     "183124a", # 2023-04-04T12:26:15+02:00
     "3383cb0", # 2023-11-09T20:14:05+01:00
+    "4abd4c0", # 2023-11-25T15:59:31+01:00
 ]
 
 [manageprojects.cookiecutter_context.cookiecutter]
diff --git a/scripts/_common.sh b/scripts/_common.sh
index f3536db..244e91a 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -13,7 +13,7 @@ __YNH_CURRENT_HOST__=${ynh_current_host}
 #=================================================
 
 # 'debug_enabled' -> '__DEBUG_ENABLED__' -> settings.DEBUG
-debug_enabled="NO" # "YES" or "NO" string
+debug_enabled="0" # "1" or "0" string
 
 # 'log_level' -> '__LOG_LEVEL__' -> settings.LOG_LEVEL
 log_level="WARNING"
diff --git a/tests/conftest.py b/tests/conftest.py
index 8e36ec5..bb04271 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -26,7 +26,7 @@ def pytest_configure():
         destination=BASE_PATH / 'local_test',
         runserver=False,
         extra_replacements={
-            '__DEBUG_ENABLED__': 'NO',  # "YES" or "NO" string
+            '__DEBUG_ENABLED__': '0',  # "1" or "0" string
             '__LOG_LEVEL__': 'INFO',
             '__ADMIN_EMAIL__': 'foo-bar@test.tld',
             '__DEFAULT_FROM_EMAIL__': 'django_app@test.tld',
diff --git a/tests/test_django_project.py b/tests/test_django_project.py
index 074bf3c..1fcf08a 100644
--- a/tests/test_django_project.py
+++ b/tests/test_django_project.py
@@ -34,7 +34,7 @@ class DjangoYnhTestCase(HtmlAssertionMixin, TestCase):
 
     def test_config_panel_settings(self):
         # config_panel.toml settings, set via tests.conftest.pytest_configure():
-        assert settings.DEBUG_ENABLED == 'NO' and settings.DEBUG is False
+        assert settings.DEBUG_ENABLED == '0' and settings.DEBUG is False
         assert settings.LOG_LEVEL == 'INFO'
         assert settings.ADMIN_EMAIL == 'foo-bar@test.tld'
         assert settings.DEFAULT_FROM_EMAIL == 'django_app@test.tld'