diff --git a/notebooks/automatic_mask_generator_example.ipynb b/notebooks/automatic_mask_generator_example.ipynb
index 0c1d6dac9..cb599a726 100644
--- a/notebooks/automatic_mask_generator_example.ipynb
+++ b/notebooks/automatic_mask_generator_example.ipynb
@@ -265,7 +265,7 @@
     "* `predicted_iou` : the model's own prediction for the quality of the mask\n",
     "* `point_coords` : the sampled input point that generated this mask\n",
     "* `stability_score` : an additional measure of mask quality\n",
-    "* `crop_box` : the crop of the image used to generate this mask in XYWH format"
+    "* `crop_box` : the crop of the image used to generate this mask in XYWH format,where X is the left bound, Y is the top bound, W is width and H is height"
    ]
   },
   {