diff --git a/notebooks/223P-Validation.ipynb b/notebooks/223P-Validation.ipynb
index 73532f28..c0b6da7e 100644
--- a/notebooks/223P-Validation.ipynb
+++ b/notebooks/223P-Validation.ipynb
@@ -140,7 +140,7 @@
    "source": [
     "# create a model to hold an example building from models.open223.info\n",
     "lbnl_example_building = Model.create(Namespace(\"urn:lbnl\"))\n",
-    "lbnl_example_building.graph.parse(\"https://models.open223.info/compiled/lbnl-example.ttl\")"
+    "lbnl_example_building.graph.parse(\"https://models.open223.info/compiled/lbnl-bdg3-1.ttl\")"
    ]
   },
   {