diff --git a/tutorial.ipynb b/tutorial.ipynb
index 9d8f08d5fcf5..d11f6822d94c 100644
--- a/tutorial.ipynb
+++ b/tutorial.ipynb
@@ -787,7 +787,7 @@
       },
       "source": [
         "## COCO test-dev2017\n",
-        "Download [COCO test2017](https://github.com/ultralytics/yolov5/blob/74b34872fdf41941cddcf243951cdb090fbac17b/data/coco.yaml#L15) dataset (7GB - 40,000 images), to test model accuracy on test-dev set (20,000 images). Results are saved to a `*.json` file which can be submitted to the evaluation server at https://competitions.codalab.org/competitions/20794."
+        "Download [COCO test2017](https://github.com/ultralytics/yolov5/blob/74b34872fdf41941cddcf243951cdb090fbac17b/data/coco.yaml#L15) dataset (7GB - 40,000 images), to test model accuracy on test-dev set (**20,000 images, no labels**). Results are saved to a `*.json` file which should be **zipped** and submitted to the evaluation server at https://competitions.codalab.org/competitions/20794."
       ]
     },
     {