Update tutorial.ipynb (#7212)

tutorial.ipynb

@@ -1077,7 +1077,7 @@
       },
       "source": [
         "# VOC\n",
-        "for b, m in zip([64, 64, 32, 16], ['yolov5s', 'yolov5m', 'yolov5l', 'yolov5x']):  # zip(batch_size, model)\n",
+        "for b, m in zip([64, 64, 64, 32, 16], ['yolov5n', 'yolov5s', 'yolov5m', 'yolov5l', 'yolov5x']):  # zip(batch_size, model)\n",
         "  !python train.py --batch {b} --weights {m}.pt --data VOC.yaml --epochs 50 --cache --img 512 --nosave --hyp hyp.VOC.yaml --project VOC --name {m}"
       ],
       "execution_count": null,