diff --git a/doc/sphinx/tutorials/publicdata_ps_timedep.ipynb b/doc/sphinx/tutorials/publicdata_ps_timedep.ipynb
index f14a050296..5f445f03b7 100644
--- a/doc/sphinx/tutorials/publicdata_ps_timedep.ipynb
+++ b/doc/sphinx/tutorials/publicdata_ps_timedep.ipynb
@@ -70,7 +70,7 @@
     "dsc = create_dataset_collection(\n",
     "    cfg=cfg,\n",
     "    base_path=\"/home/mwolf/projects/publicdata_ps/\")\n",
-    "datasets = dsc[\"IC86_II-VII\",]"
+    "datasets = dsc[\"IC86_II-VII\", ]"
    ]
   },
   {