diff --git a/lod/01_SPARQL_Introduction.ipynb b/lod/01_SPARQL_Introduction.ipynb
index b478c62..a5bcc66 100755
--- a/lod/01_SPARQL_Introduction.ipynb
+++ b/lod/01_SPARQL_Introduction.ipynb
@@ -867,7 +867,7 @@
    "metadata": {
     "deletable": false,
     "nbgrader": {
-     "checksum": "7be32a274bb576eb4c154c2737bc5a26",
+     "checksum": "9da7a62b6237078f5eab7e593a8eb590",
      "grade": false,
      "grade_id": "cell-523b963fa4e288d0",
      "locked": false,
@@ -886,7 +886,7 @@
     "WHERE {\n",
     "    ?song a s:Song .\n",
     "# YOUR ANSWER HERE\n",
-    "    ]\n",
+    "    \n",
     "}\n",
     "ORDER BY ?name"
    ]