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-rw-r--r--doc/ffmpeg.texi4
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
index 08b1ed2ee5..cf74734dd6 100644
--- a/doc/ffmpeg.texi
+++ b/doc/ffmpeg.texi
@@ -1233,9 +1233,9 @@ The option is intended for cases where features are needed that cannot be
specified to @command{ffserver} but can be to @command{ffmpeg}.
@item -sdp_file @var{file} (@emph{global})
-Print sdp information to @var{file}.
+Print sdp information for an output stream to @var{file}.
This allows dumping sdp information when at least one output isn't an
-rtp stream.
+rtp stream. (Requires at least one of the output formats to be rtp).
@item -discard (@emph{input})
Allows discarding specific streams or frames of streams at the demuxer.