@@ -409,7 +409,10 @@ and the following constants are available:

 @end table

 @item -rc_override @var{override}

-rate control override for specific intervals

+Rate control override for specific intervals, formated as "int,int,int"

+list separated with slashes. Two first values are the beginning and

+end frame numbers, last one is quantizer to use if positive, or quality

+factor if negative.

 @item -me_method @var{method}

 Set motion estimation method to @var{method}.

 Available methods are (from lowest to best quality):