diff --git a/doc/source/users/tutorials/quickstart/ctools-from-python.ipynb b/doc/source/users/tutorials/quickstart/ctools-from-python.ipynb
index 6a16cd6..ae3ff9a 100644
--- a/doc/source/users/tutorials/quickstart/ctools-from-python.ipynb
+++ b/doc/source/users/tutorials/quickstart/ctools-from-python.ipynb
@@ -9,7 +9,7 @@
   },
   {
    "cell_type": "raw",
-   "metadata": {},
+   "metadata": {"jupyter.source_hidden": true},
    "source": [
     "<div align=\"right\"><a href=\"../../../_downloads/ctools-from-python.ipynb\" download=\"ctools-from-python.ipynb\"><img src=\"../../../_static/download-notebook.jpg\" alt=\"Download Notebook\" height=\"40\"></a></div>"
    ]