---
 fftools/ffmpeg_opt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c
index 4abdd457d3..bdb71d4283 100644
--- a/fftools/ffmpeg_opt.c
+++ b/fftools/ffmpeg_opt.c
@@ -1194,6 +1194,9 @@ void show_help_default(const char *opt, const char *arg)
            "    -h full -- print all options (including all format and codec 
specific options, very long)\n"
            "    -h type=name -- print all options for the named 
decoder/encoder/demuxer/muxer/filter/bsf/protocol\n"
            "    See man %s for detailed description of the options.\n"
+           "\n"
+           "Per-stream options can be followed by :<stream_spec> to apply that 
option to specific streams only. "
+           "<stream_spec> can be a stream index, or v/a/s for 
video/audio/subtitle (see manual for full syntax).\n"
            "\n", program_name);
 
     show_help_options(options, "Print help / information / capabilities:",
-- 
2.42.0

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