diff --git a/doc/indevs.texi b/doc/indevs.texi
index e1ff231f3d6a34b53e39f0a397938253ebba474b..68905ae0b0d4d0772546c1630fd0164e93971c57 100644
--- a/doc/indevs.texi
+++ b/doc/indevs.texi
@@ -538,7 +538,7 @@ QTKit input device.
 The filename passed as input is unused. The default device will be chosen.
 
 @example
-ffmpeg -f isight -i "" out.mpg
+ffmpeg -f qtkit -i "0" out.mpg
 @end example
 
 @section sndio