diff --git a/README.md b/README.md
index 6205557..91ef064 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,10 @@ When recording a 4k game, fps drops from 30 to 7 when using OBS Studio, however
 the fps remains at 30.
 
 # Example
-`gpu-screen-recorder 0x1c00001 mp4 60 > test_video.mp4`
+`gpu-screen-recorder -w 0x1c00001 -c mp4 -f 60 -a bluez_sink.00_18_09_8A_07_93.a2dp_sink.monitor > test_video.mp4`
+
+# Demo
+[![Click here to watch a demo video on youtube](https://img.youtube.com/vi/n5tm0g01n6A/0.jpg)](https://www.youtube.com/watch?v=n5tm0g01n6A)
 
 # Requirements
 X11, Nvidia (cuda), alsa or pulseaudio