diff --git a/sk1/backend/app.py b/sk1/backend/app.py
index 6ecd5b2..6a259ce 100644
--- a/sk1/backend/app.py
+++ b/sk1/backend/app.py
@@ -16,12 +16,12 @@ CORS(app)
 app.config['CACHE_TYPE'] = 'SimpleCache'
 cache = Cache(app)
 
-# Database connection
+
 DATABASE_URL = os.environ.get('DATABASE_URL')
 conn = psycopg2.connect(DATABASE_URL)
 cursor = conn.cursor()
 
-# Initialize DB
+
 cursor.execute('''
     CREATE TABLE IF NOT EXISTS history (
         id SERIAL PRIMARY KEY,
@@ -47,7 +47,7 @@ def get_current_time():
     return datetime.now(tz)
 
 def sync_history_file():
-    # Synchronizácia history.json so všetkými záznamami z databázy
+
     cursor.execute("SELECT text, prediction, timestamp FROM history ORDER BY timestamp DESC")
     rows = cursor.fetchall()
     history = [