diff --git a/app/cmd/db.py b/app/cmd/db.py
index 6b86140..6960d2f 100644
--- a/app/cmd/db.py
+++ b/app/cmd/db.py
@@ -67,8 +67,12 @@ def _create_produc_place(folder: str)-> None:
     for acte in os.listdir(folder):
         if acte.endswith(".xml"):
             soup = make_soup(os.path.join(folder, acte))
+            # search for
+            # //body//div[@type='front']/docdate/placeName[@type='production_place']
+            # and add to list places_xtract
             for place in soup.find('placeName', {'type': 'production_place'}):
                 places_xtract.append(place)
+    # made data list (production_places) by iterating on set(places_xtract)
     production_places = [{"placename": xtraction} for xtraction in set(places_xtract)]
     for data in tqdm(production_places, desc="Populating Place..."):
         Production_place.create(**data)