[FFmpeg-cvslog] doc/muxers.texi: fix build issue for unknown command

[Guo, Yejun]

ffmpeg | branch: master | Guo, Yejun <yejun.guo at intel.com> | Sun Apr 18 12:41:53 2021 +0800| [ffa39eb975b14b19cb70f3a7f47e2fa5b8268e40] | committer: Gyan Doshi

doc/muxers.texi: fix build issue for unknown command

The build log:
** Unknown command `@code' (left as is) (in src/doc/muxers.texi l. 2020)
*** '{' without macro. Before: -map} option with the ffmpeg CLI tool. (in src/doc/muxers.texi l. 2020)
*** '}' without opening '{' before:  option with the ffmpeg CLI tool. (in src/doc/muxers.texi l. 2020)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ffa39eb975b14b19cb70f3a7f47e2fa5b8268e40
---

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

diff --git a/doc/muxers.texi b/doc/muxers.texi
index 9c5f0a93a9..93f79274b6 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -2017,7 +2017,7 @@ No extension is registered so format name has to be supplied e.g. with the ffmpe
 @subsection data
 
 Data muxer accepts a single stream with any codec of any type.
-The input stream has to be selected using the @code {-map} option with the ffmpeg CLI tool.
+The input stream has to be selected using the @code{-map} option with the ffmpeg CLI tool.
 
 No extension is registered so format name has to be supplied e.g. with the ffmpeg CLI tool @code{-f data}.