diff --git a/sdk/python/sample/demo.ipynb b/sdk/python/sample/demo.ipynb
index 19f810ee5..2adaf0dc7 100644
--- a/sdk/python/sample/demo.ipynb
+++ b/sdk/python/sample/demo.ipynb
@@ -134,14 +134,14 @@
     }
    ],
    "source": [
-    "date_set_version = \"data_set_version_\" + str(uuid4())\n",
+    "data_set_version = \"data_set_version_\" + str(uuid4())\n",
     "data_set = exec.log_input(\n",
     "        metadata.DataSet(\n",
     "            description=\"an example data\",\n",
     "            name=\"mytable-dump\",\n",
     "            owner=\"owner@my-company.org\",\n",
     "            uri=\"file://path/to/dataset\",\n",
-    "            version=date_set_version,\n",
+    "            version=data_set_version,\n",
     "            query=\"SELECT * FROM mytable\"))\n",
     "print(\"Data set id is {0.id} with version '{0.version}'\".format(data_set))"
    ]