diff --git a/notebooks/diagnostics/cupid.ipynb b/notebooks/diagnostics/cupid.ipynb
index b3e99693..7058a002 100644
--- a/notebooks/diagnostics/cupid.ipynb
+++ b/notebooks/diagnostics/cupid.ipynb
@@ -427,7 +427,7 @@
    "source": [
     "When this command finishes running, you will have a new directory: `examples/key_metrics/computed_notebooks/key_metrics/_build/html/`.\n",
     "The easiest way to view these files is to look at them via JupyterHub, although its HTML parsing is not the best.\n",
-    "You could also run firefox from derecho or casper"
+    "You could also run firefox from casper (note that the browser is not installed on derecho!):"
    ]
   },
   {