diff --git a/doc/ffmpeg-doc.texi b/doc/ffmpeg-doc.texi
index 632d6e2150..eb799f46b3 100644
--- a/doc/ffmpeg-doc.texi
+++ b/doc/ffmpeg-doc.texi
@@ -719,7 +719,7 @@ following image formats are supported:
 @item Asus v2                @tab  X  @tab  X @tab fourcc: ASV2
 @item Creative YUV           @tab     @tab  X @tab fourcc: CYUV
 @item H.264                  @tab     @tab  X
-@item Sorenson Video 1       @tab  X  @tab  X @tab fourcc: SVQ1
+@item Sorenson Video 1       @tab  X  @tab  X @tab fourcc: SVQ1; note: use '-pix_fmt yuv410p' option for encoding
 @item Sorenson Video 3       @tab     @tab  X @tab fourcc: SVQ3
 @item On2 VP3                @tab     @tab  X @tab still experimental
 @item Theora                 @tab     @tab  X @tab still experimental