diff --git a/docs/examples/maximum.ipynb b/docs/examples/maximum.ipynb
index 5b91882..cda632d 100644
--- a/docs/examples/maximum.ipynb
+++ b/docs/examples/maximum.ipynb
@@ -82,7 +82,7 @@
     }
    ],
    "source": [
-    "# watch(RULES, FACTS, ACTIVATIONS)\n",
+    "# watch('RULES', 'FACTS', 'ACTIVATIONS')\n",
     "m.run()"
    ]
   }