diff --git a/notebooks/example-workflows/ecs-cmip6.ipynb b/notebooks/example-workflows/ecs-cmip6.ipynb
index aa6be5e..b575cb5 100644
--- a/notebooks/example-workflows/ecs-cmip6.ipynb
+++ b/notebooks/example-workflows/ecs-cmip6.ipynb
@@ -660,8 +660,6 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Reproduce a plot similar to [Mark Zelinka’s](https://twitter.com/mzelinka/status/1255534531144085513):\n",
-    "\n",
     "Also, make sure that we set a couple of the variables to be coordinates."
    ]
   },