diff --git a/docs/src/nbgrader.ipynb b/docs/src/nbgrader.ipynb
index cac1196..aec8b88 100644
--- a/docs/src/nbgrader.ipynb
+++ b/docs/src/nbgrader.ipynb
@@ -13,7 +13,7 @@
    },
    "source": [
     ".. important::\n",
-    "   Jupyter widgets cannot be run within in documentation. To be able to interact with the widget you must run a mybinder instance. To run a mybinder instance of this notebook please use this link https://mybinder.org/v2/gh/osscar-org/scicode-widgets/HEAD?labpath=docs%2Fsrc%2Fexercises.ipynb."
+    "   Jupyter widgets cannot be run within in documentation. To be able to interact with the widget you must run a mybinder instance. To run a mybinder instance of this notebook please use this link https://mybinder.org/v2/gh/osscar-org/scicode-widgets/HEAD?labpath=docs%2Fsrc%2Fnbgrader.ipynb."
    ]
   },
   {