diff --git a/ProteinGAN.ipynb b/ProteinGAN.ipynb
index 753d7da..b68e2e0 100644
--- a/ProteinGAN.ipynb
+++ b/ProteinGAN.ipynb
@@ -3,7 +3,7 @@
   "nbformat_minor": 0,
   "metadata": {
     "colab": {
-      "name": "ProteinGAN",
+      "name": "C1W3: ProteinGAN (Optional)",
       "provenance": [],
       "collapsed_sections": [],
       "include_colab_link": true