diff --git a/tutorial/pangeo101/chunking_introduction.ipynb b/tutorial/pangeo101/chunking_introduction.ipynb
index 20e7c81..7db2a42 100755
--- a/tutorial/pangeo101/chunking_introduction.ipynb
+++ b/tutorial/pangeo101/chunking_introduction.ipynb
@@ -653,7 +653,7 @@
    },
    "outputs": [],
    "source": [
-    "LTS = xr.open_mfdataset(\n",
+    "LTS = xr.open_dataset(\n",
     "    \"reference://\", engine=\"zarr\",\n",
     "    backend_kwargs={\n",
     "        \"storage_options\": {\n",