diff --git a/aula205/main.py b/aula205/main.py
index 6e59841..9bf8609 100644
--- a/aula205/main.py
+++ b/aula205/main.py
@@ -9,10 +9,15 @@ TABLE_NAME = 'customers'
 connection = sqlite3.connect(DB_FILE)
 cursor = connection.cursor()
 
+# CRUD - Create Read   Update Delete
+# SQL -  INSERT SELECT UPDATE DELETE
+
 # CUIDADO: fazendo delete sem where
 cursor.execute(
     f'DELETE FROM {TABLE_NAME}'
 )
+
+# DELETE mais cuidadoso
 cursor.execute(
     f'DELETE FROM sqlite_sequence WHERE name="{TABLE_NAME}"'
 )
@@ -51,7 +56,6 @@ cursor.executemany(sql, (
     {'nome': 'Joana', 'peso': 5},
 ))
 connection.commit()
-
 cursor.close()
 connection.close()