diff --git a/site/en/tutorials/quickstart/beginner.ipynb b/site/en/tutorials/quickstart/beginner.ipynb
index 6a7811cfde..cc51346b7a 100644
--- a/site/en/tutorials/quickstart/beginner.ipynb
+++ b/site/en/tutorials/quickstart/beginner.ipynb
@@ -125,7 +125,7 @@
         "\n",
         "## Load a dataset\n",
         "\n",
-        "Load and prepare the MNIST dataset. The pixel values of the images range from 0 through 255. Scale these values to a range of 0 to 1 by dividing the values by `255.0`. This also converts the sample data from integers to floating-point numbers:"
+        "Load and prepare the MNIST dataset. The pixel values of the images range from 0 through 255. Scale these values to a range of 0 to 1 by dividing the values by `255.0`. This process is called normalization. Both the train e test sets are normalized. This also converts the sample data from integers to floating-point numbers:"
       ]
     },
     {