diff --git a/cookbook/choose_protocol.ipynb b/cookbook/choose_protocol.ipynb
index b8a1601..b1f4e5d 100644
--- a/cookbook/choose_protocol.ipynb
+++ b/cookbook/choose_protocol.ipynb
@@ -425,8 +425,7 @@
    ],
    "source": [
     "# Double check that the above settings match the defaults - delete this cell if you configure things yourself!\n",
-    "# See https://github.com/OpenFreeEnergy/ExampleNotebooks/issues/138\n",
-    "#assert settings == RelativeHybridTopologyProtocol.default_settings()"
+    "assert settings == RelativeHybridTopologyProtocol.default_settings()"
    ]
   },
   {