From 029cca6fb3ea545c27e825fc2f4dbe71553c0b56 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefasab@gmail.com>
Date: Fri, 5 Apr 2013 12:44:22 +0200
Subject: [PATCH] doc/filters: clarify example explanation

---
 doc/filters.texi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index fcd3941ea0..630db433cb 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -4329,8 +4329,8 @@ ffmpeg -i input -i logo1 -i logo2 -filter_complex 'overlay=10:H-h-10,overlay=W-w
 @end example
 
 @item
-Add a transparent color layer on top of the main video, WxH specifies
-the size of the main input to the overlay filter:
+Add a transparent color layer on top of the main video, @code{WxH}
+must specify the size of the main input to the overlay filter:
 @example
 color=color=red@@.3:size=WxH [over]; [in][over] overlay [out]
 @end example