added hint to put correct filepaths

docs/johannes_mueller/yolo_from_omero/train_yolo.ipynb

@@ -334,6 +334,10 @@
     "\n",
     "Now for the cool part of all deep-learning frameworks: The *training*. Luckily, YOLO makes this quite easy! (Also see the [documentation](https://docs.ultralytics.com/modes/train/#key-features-of-train-mode) on further hints and settings). Before we can start the training, we need to set a few configuration parameters. YOLO requires us to write this in a separate `yaml` file, which in our case would look something like this. \n",
     "\n",
+    "```{note}\n",
+    "Make sure to replace `path` in the yaml file with the path to your dataset.\n",
+    "```\n",
+    "\n",
     "```yaml\n",
     "# Train/val/test sets as 1) dir: path/to/imgs, 2) file: path/to/imgs.txt, or 3) list: [path/to/imgs1, path/to/imgs2, ..]\n",
     "path: E:/BiAPoL/yolo_demo/dataset  # dataset root dir\n",