diff --git a/SoftVcDemo.ipynb b/SoftVcDemo.ipynb
index d22b660a..db41c9b4 100644
--- a/SoftVcDemo.ipynb
+++ b/SoftVcDemo.ipynb
@@ -7,9 +7,26 @@
         "colab_type": "text"
       },
       "source": [
-        "<a href=\"https://colab.research.google.com/github/w-okada/voice-changer/blob/dev/SoftVcDemo.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/w-okada/voice-changer/blob/master/SoftVcDemo.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
       ]
     },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "# このノートブックは管理されていません。\n",
+        "# VCClientをColabで使用する場合は、次のノートブックをご使用ください。\n",
+        "\n",
+        "# This notebook is not being managed.\n",
+        "# If you're using VCClient in Colab, please use the following notebook.\n",
+        "\n",
+        "https://github.com/w-okada/voice-changer/blob/master/Realtime_Voice_Changer_on_Colab.ipynb\n",
+        "\n",
+        "\n"
+      ],
+      "metadata": {
+        "id": "NOiKHadoysaB"
+      }
+    },
     {
       "cell_type": "markdown",
       "source": [
@@ -32,7 +49,7 @@
       "cell_type": "markdown",
       "source": [
         "# Check GPU\n",
-        "GPU is required for soft-vc. Confirm GPU is assigned. "
+        "GPU is required for soft-vc. Confirm GPU is assigned."
       ],
       "metadata": {
         "id": "s4nKpd5ArRky"
@@ -41,7 +58,7 @@
     {
       "cell_type": "code",
       "source": [
-        "# (1) Confirm GPU \n",
+        "# (1) Confirm GPU\n",
         "!nvidia-smi"
       ],
       "metadata": {
@@ -51,7 +68,7 @@
           "base_uri": "https://localhost:8080/"
         }
       },
-      "execution_count": 1,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "stream",
@@ -84,7 +101,7 @@
     {
       "cell_type": "markdown",
       "source": [
-        "# Install and import modules \n",
+        "# Install and import modules\n",
         "Install required modules.\n"
       ],
       "metadata": {
@@ -105,7 +122,7 @@
           "base_uri": "https://localhost:8080/"
         }
       },
-      "execution_count": 2,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "stream",
@@ -152,7 +169,7 @@
       "metadata": {
         "id": "eCb2j68vsqxB"
       },
-      "execution_count": 3,
+      "execution_count": null,
       "outputs": []
     },
     {
@@ -167,7 +184,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 4,
+      "execution_count": null,
       "metadata": {
         "id": "WO8XzrFMZGoj",
         "colab": {
@@ -308,7 +325,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 5,
+      "execution_count": null,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -350,7 +367,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 6,
+      "execution_count": null,
       "metadata": {
         "id": "8-z9j4e_j-Wb",
         "outputId": "e7cd3270-42dd-4f6c-912c-cdb0718c04cf",
@@ -426,7 +443,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 7,
+      "execution_count": null,
       "metadata": {
         "id": "-iPiSzvAepCl"
       },
@@ -439,7 +456,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 10,
+      "execution_count": null,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -506,7 +523,7 @@
           "height": 34
         }
       },
-      "execution_count": 11,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "stream",
@@ -530,9 +547,8 @@
   "metadata": {
     "accelerator": "GPU",
     "colab": {
-      "collapsed_sections": [],
       "provenance": [],
-      "authorship_tag": "ABX9TyNIoYdRE9rtKaA9+L9JwdPZ",
+      "authorship_tag": "ABX9TyPplIZOpDSd6hZqbrwRvhm8",
       "include_colab_link": true
     },
     "gpuClass": "standard",