diff --git a/resa_padel/booking.py b/resa_padel/booking.py
index 6943170..66a94cc 100644
--- a/resa_padel/booking.py
+++ b/resa_padel/booking.py
@@ -14,6 +14,14 @@ LOGGER = logging.getLogger(__name__)
 
 
 def wait_until_booking_time(club: Club, booking_filter: BookingFilter):
+    """
+    Wait until the booking is open.
+    The booking filter contains the date and time of the booking.
+    The club has the information about when the booking is open for that date.
+
+    :param club: the club where to book a court
+    :param booking_filter: the booking information
+    """
     LOGGER.info("Waiting booking time")
     booking_datetime = build_booking_datetime(booking_filter, club)
     now = pendulum.now()
@@ -23,6 +31,15 @@ def wait_until_booking_time(club: Club, booking_filter: BookingFilter):
 
 
 def build_booking_datetime(booking_filter: BookingFilter, club: Club) -> DateTime:
+    """
+    Build the date and time when the booking is open for a given match date.
+    The booking filter contains the date and time of the booking.
+    The club has the information about when the booking is open for that date.
+
+    :param booking_filter: the booking information
+    :param club: the club where to book a court
+    :return: the date and time when the booking is open
+    """
     date_to_book = booking_filter.date
     booking_date = date_to_book.subtract(days=club.booking_open_days_before)
 
@@ -33,15 +50,28 @@ def build_booking_datetime(booking_filter: BookingFilter, club: Club) -> DateTim
 
 
 async def book(club: Club, user: User, booking_filter: BookingFilter) -> int | None:
+    """
+    Book a court for a user to a club following a booking filter
+
+    :param club: the club where to book a court
+    :param user: the user information
+    :param booking_filter: the information related to the booking
+    :return: the id of the booked court, or None if no court was booked
+    """
     async with ClientSession() as session:
         platform = GestionSportsConnector(session, club.url)
-        await platform.connect()
+        await platform.land()
         await platform.login(user, club)
         wait_until_booking_time(club, booking_filter)
         return await platform.book(booking_filter, club)
 
 
 def main() -> int | None:
+    """
+    Main function used to book a court
+
+    :return: the id of the booked court, or None if no court was booked
+    """
     user = config.get_user()
     booking_filter = config.get_booking_filter()
     club = config.get_club()
diff --git a/resa_padel/config.py b/resa_padel/config.py
index bfd17d7..3c162b0 100644
--- a/resa_padel/config.py
+++ b/resa_padel/config.py
@@ -13,6 +13,12 @@ load_dotenv()
 
 
 def get_club() -> Club:
+    """
+    Read the environment variables related to the current club
+    and build the Club object
+
+    :return: the club
+    """
     club_url = os.environ.get("CLUB_URL")
     court_ids_tmp = os.environ.get("COURT_IDS") or ""
     court_ids = (
@@ -34,6 +40,12 @@ def get_club() -> Club:
 
 
 def get_booking_filter() -> BookingFilter:
+    """
+    Read the environment variables related to the current booking filter
+    and build the BookingFilter object
+
+    :return: the club
+    """
     sport_id_tmp = os.environ.get("SPORT_ID")
     sport_id = int(sport_id_tmp) if sport_id_tmp else None
     date_time_tmp = os.environ.get("DATE_TIME")
@@ -42,12 +54,24 @@ def get_booking_filter() -> BookingFilter:
 
 
 def get_user() -> User:
+    """
+    Read the environment variables related to the current user
+    and build the User object
+
+    :return: the club
+    """
     login = os.environ.get("LOGIN")
     password = os.environ.get("PASSWORD")
     return User(login=login, password=password)
 
 
 def get_post_headers(platform_id: str) -> dict:
+    """
+    Get the headers for the POST endpoint related to a specific booking platform
+
+    :param platform_id: the platform to which the headers apply
+    :return: the headers as a dictionary
+    """
     root_path = Path(__file__).parent
     headers_file = Path(root_path, "resources", platform_id, "post-headers.json")
     with headers_file.open(mode="r", encoding="utf-8") as f:
@@ -57,6 +81,9 @@ def get_post_headers(platform_id: str) -> dict:
 
 
 def init_log_config():
+    """
+    Read the logging.yaml file to initialize the logging configuration
+    """
     root_dir = os.path.realpath(os.path.dirname(__file__))
     logging_file = root_dir + "/logging.yaml"
 
diff --git a/resa_padel/gestion_sports/gestion_sports_connector.py b/resa_padel/gestion_sports/gestion_sports_connector.py
index cb9a42c..2a61090 100644
--- a/resa_padel/gestion_sports/gestion_sports_connector.py
+++ b/resa_padel/gestion_sports/gestion_sports_connector.py
@@ -18,6 +18,9 @@ POST_HEADERS = config.get_post_headers("gestion-sports")
 
 
 class GestionSportsConnector:
+    """
+    Handle the specific booking requests to Gestion-Sports
+    """
 
     def __init__(self, session: ClientSession, url: str):
         LOGGER.info("Initializing connection to GestionSports API")
@@ -26,24 +29,49 @@ class GestionSportsConnector:
         self.payload_builder = GestionSportsPayloadBuilder()
 
     @property
-    def connection_url(self) -> str:
+    def landing_url(self) -> str:
+        """
+        Get the URL to the landing page of Gestion-Sports
+
+        :return: the URL to the landing page
+        """
         return urljoin(self.url, "/connexion.php?")
 
     @property
     def login_url(self) -> str:
+        """
+        Get the URL to the connection login of Gestion-Sports
+
+        :return: the URL to the login page
+        """
         return urljoin(self.url, "/connexion.php?")
 
     @property
     def booking_url(self) -> str:
+        """
+        Get the URL to the booking page of Gestion-Sports
+
+        :return: the URL to the booking page
+        """
         return urljoin(self.url, "/membre/reservation.html?")
 
-    async def connect(self) -> ClientResponse:
+    async def land(self) -> ClientResponse:
+        """
+        Perform the request to the landing page in order to get the cookie PHPSESSIONID
+
+        :return: the response from the landing page
+        """
         LOGGER.info("Connecting to GestionSports API")
-        async with self.session.get(self.connection_url) as response:
+        async with self.session.get(self.landing_url) as response:
             await response.text()
             return response
 
     async def login(self, user: User, club: Club) -> ClientResponse:
+        """
+        Perform the request to the log in the user
+
+        :return: the response from the login
+        """
         payload = (
             self.payload_builder.login(user.login)
             .password(user.password)
@@ -58,6 +86,15 @@ class GestionSportsConnector:
             return response
 
     async def book(self, booking_filter: BookingFilter, club: Club) -> int | None:
+        """
+        Perform a request for each court at the same time to increase the chances to get a booking.
+        The gestion-sports backend does not allow several bookings at the same time
+        so there is no need to make each request one after the other
+
+        :param booking_filter: the booking information
+        :param club: the club where to book the court
+        :return: the booked court, or None if no court was booked
+        """
         # use asyncio to request a booking on every court
         # the gestion-sports backend is able to book only one court for a user
         bookings = await asyncio.gather(
diff --git a/tests/gestion_sports/test_gestion_sports_connector.py b/tests/gestion_sports/test_gestion_sports_connector.py
index 02047a9..52d6edd 100644
--- a/tests/gestion_sports/test_gestion_sports_connector.py
+++ b/tests/gestion_sports/test_gestion_sports_connector.py
@@ -2,6 +2,7 @@ import pytest
 from aiohttp import ClientSession
 from yarl import URL
 
+from models import BookingFilter, Club, User
 from resa_padel.gestion_sports.gestion_sports_connector import GestionSportsConnector
 from tests.fixtures import (
     a_booking_failure_response,
@@ -16,13 +17,16 @@ tpc_url = "https://toulousepadelclub.gestion-sports.com"
 
 
 @pytest.mark.asyncio
-async def test_should_connect_to_gestion_sports_website():
+async def test_should_reach_landing_page_to_gestion_sports_website() -> None:
+    """
+    Test that landing page is reached
+    """
     async with ClientSession() as session:
         cookies = session.cookie_jar.filter_cookies(URL(tpc_url))
         assert cookies.get("PHPSESSID") is None
         gs_connector = GestionSportsConnector(session, tpc_url)
 
-        response = await gs_connector.connect()
+        response = await gs_connector.land()
 
         assert response.status == 200
         assert response.request_info.method == "GET"
@@ -35,10 +39,18 @@ async def test_should_connect_to_gestion_sports_website():
 
 
 @pytest.mark.asyncio
-async def test_should_login_to_gestion_sports_website(a_user, a_club):
+async def test_should_login_to_gestion_sports_website(
+    a_user: User, a_club: Club
+) -> None:
+    """
+    Test that a user can log in after reaching the landing page
+
+    :param a_user: the user that wants to book a court
+    :param a_club: the club information
+    """
     async with ClientSession() as session:
         gs_connector = GestionSportsConnector(session, tpc_url)
-        await gs_connector.connect()
+        await gs_connector.land()
 
         response = await gs_connector.login(a_user, a_club)
 
@@ -53,10 +65,19 @@ async def test_should_login_to_gestion_sports_website(a_user, a_club):
 
 
 @pytest.mark.asyncio
-async def test_booking_url_should_be_reachable(a_user, a_booking_filter, a_club):
+async def test_booking_url_should_be_reachable(
+    a_user: User, a_booking_filter: BookingFilter, a_club: Club
+) -> None:
+    """
+    Test that a user can log in the booking platform and book a court
+
+    :param a_user: the user that wants to book a court
+    :param a_booking_filter: the booking information
+    :param a_club: the club information
+    """
     async with ClientSession() as session:
         gs_connector = GestionSportsConnector(session, tpc_url)
-        await gs_connector.connect()
+        await gs_connector.land()
         await gs_connector.login(a_user, a_club)
 
         court_booked = await gs_connector.book(a_booking_filter, a_club)
@@ -67,11 +88,21 @@ async def test_booking_url_should_be_reachable(a_user, a_booking_filter, a_club)
 @pytest.mark.asyncio
 async def test_should_book_a_court_from_gestion_sports(
     aioresponses,
-    a_booking_filter,
-    a_club,
-    a_booking_success_response,
-    a_booking_failure_response,
-):
+    a_booking_filter: BookingFilter,
+    a_club: Club,
+    a_booking_success_response: str,
+    a_booking_failure_response: str,
+) -> None:
+    """
+    Test that user can reach the landing page, then log in to the platform
+    and eventually book a court
+
+    :param aioresponses: the http response mock
+    :param a_booking_filter: the booking information
+    :param a_club: the club information
+    :param a_booking_success_response: the success response mock
+    :param a_booking_failure_response: the failure response mock
+    """
     booking_url = URL(tpc_url + "/membre/reservation.html?")
 
     # first booking request will fail
@@ -89,20 +120,40 @@ async def test_should_book_a_court_from_gestion_sports(
         assert court_booked == a_club.courts_ids[1]
 
 
-def test_response_status_should_be_ok(a_booking_success_response):
+def test_response_status_should_be_ok(a_booking_success_response: str) -> None:
+    """
+    Test internal method to verify that the success response received by booking
+    a gestion-sports court is still a JSON with a field 'status' set to 'ok'
+
+    :param a_booking_success_response: the success response mock
+    """
     is_booked = GestionSportsConnector.is_response_status_ok(a_booking_success_response)
     assert is_booked
 
 
-def test_response_status_should_be_not_ok(a_booking_failure_response):
+def test_response_status_should_be_not_ok(a_booking_failure_response: str) -> None:
+    """
+    Test internal method to verify that the failure response received by booking
+    a gestion-sports court is still a JSON with a field 'status' set to 'error'
+
+    :param a_booking_failure_response: the failure response mock
+    """
     is_booked = GestionSportsConnector.is_response_status_ok(a_booking_failure_response)
     assert not is_booked
 
 
 @pytest.mark.asyncio
 async def test_court_should_not_be_booked(
-    aioresponses, a_booking_payload, a_booking_failure_response
-):
+    aioresponses, a_booking_payload: str, a_booking_failure_response: str
+) -> None:
+    """
+    Test that no court is booked when there is a failure response
+    from the booking request
+
+    :param aioresponses: the http requests mock
+    :param a_booking_payload: the payload that is sent for booking
+    :param a_booking_failure_response: the failure response mock
+    """
     async with ClientSession() as session:
         tpc_connector = GestionSportsConnector(session, tpc_url)
         aioresponses.post(
@@ -114,8 +165,16 @@ async def test_court_should_not_be_booked(
 
 @pytest.mark.asyncio
 async def test_court_should_be_booked(
-    aioresponses, a_booking_payload, a_booking_success_response
-):
+    aioresponses, a_booking_payload: str, a_booking_success_response: str
+) -> None:
+    """
+    Test that a court is booked when there is a success response
+    from the booking request
+
+    :param aioresponses: the http requests mock
+    :param a_booking_payload: the payload that is sent for booking
+    :param a_booking_success_response: the success response mock
+    """
     async with ClientSession() as session:
         tpc_connector = GestionSportsConnector(session, tpc_url)