diff --git a/notebooks/02.01-Understanding-Data-Types.ipynb b/notebooks/02.01-Understanding-Data-Types.ipynb
index 82b128e48..871884578 100644
--- a/notebooks/02.01-Understanding-Data-Types.ipynb
+++ b/notebooks/02.01-Understanding-Data-Types.ipynb
@@ -632,7 +632,7 @@
    ],
    "source": [
     "# Create a 3x3 array of uniformly distributed\n",
-    "# random values between 0 and 1\n",
+    "# random values between 0 and 1 with 1 excluded\n",
     "np.random.random((3, 3))"
    ]
   },