diff --git a/Colab_demo.ipynb b/Colab_demo.ipynb
index 9a5d733..27f119d 100644
--- a/Colab_demo.ipynb
+++ b/Colab_demo.ipynb
@@ -77,7 +77,7 @@
       },
       "source": [
         "!nvidia-smi\n",
-        "!python3 inference_video.py --times=2 --video demo.mp4 --montage --skip"
+        "!python3 inference_video.py --times=2 --video=demo.mp4 --montage --skip"
       ],
       "execution_count": null,
       "outputs": []
@@ -88,7 +88,9 @@
         "id": "77KK6lxHgJhf"
       },
       "source": [
-        "Our demo.mp4 is 24FPS. You can adjust the parameters for your own perference."
+        "Our demo.mp4 is 25FPS. You can adjust the parameters for your own perference.\n",
+        "For example: \n",
+        "--fps=60 --times=1 --video=mydemo.avi --png"
       ]
     },
     {
@@ -98,7 +100,7 @@
       },
       "source": [
         "!nvidia-smi\n",
-        "!python3 inference_video_parallel.py --times=1 --video demo.mp4 --skip"
+        "!python3 inference_video_parallel.py --times=1 --video=demo.mp4 --skip"
       ],
       "execution_count": null,
       "outputs": []
@@ -109,7 +111,9 @@
         "id": "KjqnCQ_-53I7"
       },
       "source": [
-        "Try our 4 road parallel to process your video, expect 2x speedup! (Do not support montage mode)"
+        "Try our 4 road parallel to process your video, expect 100% speedup! (Do not support montage mode)\n",
+        "\n",
+        "Unfortunately, no difference can be seen on Google colab servers."
       ]
     },
     {