From 2a9046c741e7a2f64d7ebbd028963b4ce0b7820c Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefasab@gmail.com>
Date: Sun, 2 Oct 2011 15:21:12 +0200
Subject: [PATCH] vf_lut.c: fix wrong syntax in example

---
 doc/filters.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index bbd4e228af..d5013f345b 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -1238,7 +1238,7 @@ lutrgb="r=negval:g=negval:b=negval"
 lutyuv="y=negval:u=negval:v=negval"
 
 # negate luminance
-lutyuv=negval
+lutyuv=y=negval
 
 # remove chroma components, turns the video into a graytone image
 lutyuv="u=128:v=128"