[SCM] libav/experimental: Add an explanation and complete the metadata usage example.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit edb501c45b963db67a6633ca92c2de615d990740
Author: Stefano Sabatini <stefano.sabatini-lala at poste.it>
Date:   Wed Jul 1 20:11:53 2009 +0000

    Add an explanation and complete the metadata usage example.
    
    Originally committed as revision 19320 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/doc/ffmpeg-doc.texi b/doc/ffmpeg-doc.texi
index 35148e7..ad0af07 100644
--- a/doc/ffmpeg-doc.texi
+++ b/doc/ffmpeg-doc.texi
@@ -288,8 +288,9 @@ Set the timestamp.
 @item -metadata @var{key}=@var{value}
 Set a metadata key/value pair.
 
+For example, for setting the title in the output file:
 @example
-ffmpeg -i in.avi -metadata title="my title"
+ffmpeg -i in.avi -metadata title="my title" out.flv
 @end example
 
 @item -v @var{number}

-- 
Libav/FFmpeg packaging