diff --git a/tools_numpy.ipynb b/tools_numpy.ipynb
index cf83526..2c509f6 100644
--- a/tools_numpy.ipynb
+++ b/tools_numpy.ipynb
@@ -5032,7 +5032,7 @@
    "source": [
     "# What's next?\n",
     "Now you know all the fundamentals of NumPy, but there are many more options available. The best way to learn more is to experiment with NumPy, and go through the excellent [reference documentation](https://numpy.org/doc/stable/reference/index.html) to find more functions and features you may be interested in."
-   ],
+   ]
   }
  ],
  "metadata": {