diff --git a/examples/jupyter/cad-based-geometry.ipynb b/examples/jupyter/cad-based-geometry.ipynb
index 6ff79d27c2..5c449cd00c 100644
--- a/examples/jupyter/cad-based-geometry.ipynb
+++ b/examples/jupyter/cad-based-geometry.ipynb
@@ -236,6 +236,13 @@
     "tallies.export_to_xml()"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "**Note:** Applying tally filters in DagMC models requires prior knowledge of the model. Here, we know that the fuel cell's volume ID in the CAD sofware is 1. To identify cells without use of CAD software, we recommend loading them into the [OpenMC plotter](https://github.com/openmc/plotter) where cell, material, and volume IDs can be identified for native OpenMC and DagMC geometries."
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},