From 6b5a1f261294933bf7ad6b9c192f4743a3425a48 Mon Sep 17 00:00:00 2001
From: Stephen Chen <g1222888@gmail.com>
Date: Sun, 16 Sep 2018 01:16:11 +0800
Subject: [PATCH] small fix for document

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 56e378f..c284354 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ Take for example a signal graph that looks like this:
 
 The corresponding command-line arguments are pretty gnarly:
 ```bash
-ffmpeg -i input.mp4 -filter_complex "[0]trim=start_frame=10:end_frame=20[v0];\
+ffmpeg -i input.mp4 -i overlay.png -filter_complex "[0]trim=start_frame=10:end_frame=20[v0];\
     [0]trim=start_frame=30:end_frame=40[v1];[v0][v1]concat=n=2[v2];[1]hflip[v3];\
     [v2][v3]overlay=eof_action=repeat[v4];[v4]drawbox=50:50:120:120:red:t=5[v5]"\
     -map [v5] output.mp4