Merge commit '8fcd121b'

* commit '8fcd121b':
  doc: Use the succinct syntax for the channelmap example

Conflicts:
	doc/filters.texi
Merged-by: Michael Niedermayer <michaelni@gmx.at>

doc/filters.texi

@@ -1338,7 +1338,7 @@ the input.
 
 To fix a 5.1 WAV improperly encoded in AAC's native channel order
 @example
-ffmpeg -i in.wav -filter 'channelmap=1|2|0|5|3|4:channel_layout=5.1' out.wav
+ffmpeg -i in.wav -filter 'channelmap=1|2|0|5|3|4:5.1' out.wav
 @end example
 
 @section channelsplit