diff --git a/README.md b/README.md
index 257d4d0..d06d036 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,18 @@ Put it here.
 There are workflows and sample data.
 
 
+You can add expressions to the video. See sample2.json workflow.
+
+Command description in sample2.json.
+1 = 1:10
+2 = 5:10
+0 = 2:50
+1 = 2:0
+[Motion index] = [Changing frame length] : [Length of frames waiting for next motion]
+Motion index 0 is the original source image.
+They are numbered in the order they lead to the motion_link.
+Linking a driving video to src_images will add facial expressions to the driving video.
+
 Thanks
 
 Original author's link https://liveportrait.github.io/