@@ -641,7 +641,7 @@ The following example shows how to use @command{ffmpeg} for creating a

 sequence of files @file{img-001.jpeg}, @file{img-002.jpeg}, ...,

 taking one image every second from the input video:

 @example

-ffmpeg -i in.avi -vsync 1 -r 1 -f image2 'img-%03d.jpeg'

+ffmpeg -i in.avi -vsync cfr -r 1 -f image2 'img-%03d.jpeg'

 @end example

 Note that with @command{ffmpeg}, if the format is not specified with the

@@ -649,12 +649,12 @@ Note that with @command{ffmpeg}, if the format is not specified with the

 format, the image2 muxer is automatically selected, so the previous

 command can be written as:

 @example

-ffmpeg -i in.avi -vsync 1 -r 1 'img-%03d.jpeg'

+ffmpeg -i in.avi -vsync cfr -r 1 'img-%03d.jpeg'

 @end example

 Note also that the pattern must not necessarily contain "%d" or

 "%0@var{N}d", for example to create a single image file

-@file{img.jpeg} from the input video you can employ the command:

+@file{img.jpeg} from the start of the input video you can employ the command:

 @example

 ffmpeg -i in.avi -f image2 -frames:v 1 img.jpeg

 @end example