diff --git a/100_Numpy_exercises.ipynb b/100_Numpy_exercises.ipynb
index f7efe470..cb6e43fb 100644
--- a/100_Numpy_exercises.ipynb
+++ b/100_Numpy_exercises.ipynb
@@ -29,7 +29,7 @@
    "id": "57fc0ee5",
    "metadata": {},
    "source": [
-    "Run the `initialize.py` module, then for each question you can query the\n",
+    "Run the `initialise.py` module, then for each question you can query the\n",
     "answer or an hint with `hint(n)` or `answer(n)` for `n` question number."
    ]
   },