diff --git a/app/cmd/db.py b/app/cmd/db.py
index b5466ca..6b86140 100644
--- a/app/cmd/db.py
+++ b/app/cmd/db.py
@@ -261,8 +261,6 @@ def _create_involved_in(folder: str):
 @db_cli.command()
 def init() -> None:
     """Initialization of the database"""
-    princes_houses = ["Berry", "Bourbon", "Anjou"]
-
     print("Dropping existing DB...")
     db.drop_tables([Institution, State, House, Intervention_type,
         Production_place, Diplo_type, Document, Agent, Acte, Transcribed_by,
@@ -271,6 +269,7 @@ def init() -> None:
     db.create_tables([Institution, State, House, Intervention_type,
         Production_place, Diplo_type, Document, Agent, Acte,
         Transcribed_by, Individual, Involved_in])
+
     _create_institution(institution)
     _create_state(state)
     _create_house(houses)
@@ -278,23 +277,36 @@ def init() -> None:
     _create_diplo_type(diplomatic_type)
     actors = [*__csv_indiv_infos("secret"), *__csv_indiv_infos("prince")]
     _create_indiv(actors)
+
+    # if new houses were to be added, princes_houses need to be completed
+    princes_houses = ["Berry", "Bourbon", "Anjou"]
     agents_names = []
+
+    # iteration over houses
     for prince_house in princes_houses:
+        # 1/ make path to house xml folder
         xml_folder = os.path.join(APPPATH, "static", "xml", prince_house)
         print("\n\n**** HOUSE ", prince_house, " ****")
+
+        # 2/ add all transcribers names to list agents_names
         for name in __find_transcribers(xml_folder):
             agents_names.append(name)
 
-        # check which names need to be add to the actors.csv
+        # 3/ check which names need to be add to the actors.csv
         names_in_csv = [actor[0] for actor in actors]
         names_in_xml = __find_indiv(xml_folder, "signatory")
         for name in [x for x in names_in_xml if x not in names_in_csv]:
             print("!! name " + name + " not found in /app/static/csv/actors.csv")
+        
+        # 4/ create tables
         _create_produc_place(xml_folder)
         _create_doc(xml_folder)
         _create_acte(xml_folder)
+
+    # table Agent
     agents = [{"agent_name": agent} for agent in set(agents_names)]
     _create_agent(agents)
+
     for prince_house in princes_houses:
         print("\n\n**** INVOLVED IN ", prince_house, " ****")
         xml_folder = os.path.join(APPPATH, "static", "xml", prince_house)