diff --git a/SimSwap colab.ipynb b/SimSwap colab.ipynb
index e9b11a6..819b6e7 100644
--- a/SimSwap colab.ipynb	
+++ b/SimSwap colab.ipynb	
@@ -226,6 +226,7 @@
       "source": [
         "from google_drive_downloader import GoogleDriveDownloader\n",
         "\n",
+        "### it seems that google drive link may not be permenant, you can find this ID from our open url.\n",
         "GoogleDriveDownloader.download_file_from_google_drive(file_id='1TLNdIufzwesDbyr_nVTR7Zrx9oRHLM_N',\n",
         "                                    dest_path='./arcface_model/arcface_checkpoint.tar')\n",
         "GoogleDriveDownloader.download_file_from_google_drive(file_id='1PXkRiBUYbu1xWpQyDEJvGKeqqUFthJcI',\n",