@@ -74,10 +74,15 @@ You can interactively cycle through the available show modes by

 pressing the key @key{w}.

 @item -vf @var{filter_graph}

+Create the filter graph specified by @var{filter_graph} and use it to

+filter the video stream.

+

 @var{filter_graph} is a description of the filter graph to apply to

-the input video.

-Use the option "-filters" to show all the available filters (including

-also sources and sinks).

+the stream, and must have a single video input and a single video

+output. In the filter graph, the input is associated to the label

+@code{in}, and the output to the label @code{out}. See the

+ffmpeg-filters manual for more information about the filtergraph

+syntax.

 @item -i @var{input_file}

 Read @var{input_file}.

@@ -3241,7 +3241,7 @@ static const OptionDef options[] = {

     { "infbuf", OPT_BOOL | OPT_EXPERT, { &infinite_buffer }, "don't limit the input buffer size (useful with realtime streams)", "" },

     { "window_title", OPT_STRING | HAS_ARG, { &window_title }, "set window title", "window title" },

 #if CONFIG_AVFILTER

-    { "vf", OPT_STRING | HAS_ARG, { &vfilters }, "video filters", "filter list" },

+    { "vf", OPT_STRING | HAS_ARG, { &vfilters }, "set video filters", "filter_graph" },

 #endif

     { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, { &rdftspeed }, "rdft speed", "msecs" },

     { "showmode", HAS_ARG, { .func_arg = opt_show_mode}, "select show mode (0 = video, 1 = waves, 2 = RDFT)", "mode" },