diff --git a/doc/encoders.texi b/doc/encoders.texi
index 594c612b5ae3d440f9f632465e370207114e0ab7..7f4754d1606da8dc48f69fbc9596d589f60407c3 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1679,6 +1679,8 @@ colorspaces:
 @item @samp{smpte240m} @emph{smpte240}
 @item @samp{bt2020_ncl} @emph{bt2020}
 @end table
+@item row-mt @var{boolean}
+Enable row based multi-threading.
 @end table
 
 @end table