diff --git a/lerobot/scripts/merge.py b/lerobot/scripts/merge.py
index 61bab7f8..8cf0dffd 100644
--- a/lerobot/scripts/merge.py
+++ b/lerobot/scripts/merge.py
@@ -1293,20 +1293,16 @@ def merge_datasets(
 
 if __name__ == "__main__":
     # Set up argument parser
-    parser = argparse.ArgumentParser(description='Merge datasets from multiple sources.')
-    
+    parser = argparse.ArgumentParser(description="Merge datasets from multiple sources.")
+
     # Add arguments
-    parser.add_argument('--sources', nargs='+', required=True,
-                        help='List of source folder paths')
-    parser.add_argument('--output', required=True,
-                        help='Output folder path')
-    parser.add_argument('--max_dim', type=int, default=32,
-                        help='Maximum dimension (default: 32)')
-    parser.add_argument('--fps', type=int, default=20,
-                        help='Your datasets FPS (default: 20)')
-    
+    parser.add_argument("--sources", nargs="+", required=True, help="List of source folder paths")
+    parser.add_argument("--output", required=True, help="Output folder path")
+    parser.add_argument("--max_dim", type=int, default=32, help="Maximum dimension (default: 32)")
+    parser.add_argument("--fps", type=int, default=20, help="Your datasets FPS (default: 20)")
+
     # Parse arguments
     args = parser.parse_args()
-    
+
     # Use parsed arguments
     merge_datasets(args.sources, args.output, max_dim=args.max_dim, default_fps=args.fps)