diff --git a/m1_tf_test.py b/m1_tf_test.py
index df65585..9995865 100644
--- a/m1_tf_test.py
+++ b/m1_tf_test.py
@@ -5,6 +5,7 @@
 # Created Date: Saturday July 9th 2022
 # Author: Smiril
 # Email: sonar@gmx.com
+# Original: https://towardsdatascience.com/installing-pytorch-on-apple-m1-chip-with-gpu-acceleration-3351dc44d67c
 #############################################################
 import tensorflow as tf
 tf.__version__