diff --git a/unit1/unit1.ipynb b/unit1/unit1.ipynb
index 3e10355..9bb982e 100644
--- a/unit1/unit1.ipynb
+++ b/unit1/unit1.ipynb
@@ -7,7 +7,7 @@
         "colab_type": "text"
       },
       "source": [
-        "<a href=\"https://colab.research.google.com/github/DennisSoemers/deep-rl-class/blob/dennis-soemers-unit-1/unit1/unit1.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+        "<a href=\"https://colab.research.google.com/github/huggingface/deep-rl-class/blob/main/unit1/unit1.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
       ]
     },
     {
@@ -31,14 +31,14 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 1,
+      "execution_count": null,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/",
           "height": 421
         },
         "id": "PF46MwbZD00b",
-        "outputId": "23abfa96-572a-4902-e948-c549cedd1120"
+        "outputId": "8fba2a05-2558-4231-95f3-0840d3d3d108"
       },
       "outputs": [
         {