diff --git a/src/avrdude.1 b/src/avrdude.1
index 5af43c1c..7d425eb8 100644
--- a/src/avrdude.1
+++ b/src/avrdude.1
@@ -1767,6 +1767,7 @@ line.
 .It Ar help
 Show help menu and exit.
 .El
+.It Ar jtag2updi
 .It Ar serialupdi
 .Bl -tag -offset indent -width indent
 .It Ar rtsdtr=low,high
diff --git a/src/doc/avrdude.texi b/src/doc/avrdude.texi
index 48085b67..eaa30020 100644
--- a/src/doc/avrdude.texi
+++ b/src/doc/avrdude.texi
@@ -1456,10 +1456,12 @@ the MCU's ‘TXD’ line.
 Show help menu and exit.
 @end table
 
+@cindex @code{-x} jtag2updi
 @cindex @code{-x} serialupdi
+@item jtag2updi
 @item serialupdi
 
-The serialupdi programmer type accepts the following extended parameter:
+The jtag2updi and serialupdi programmer types accepts the following extended parameters:
 @table @code
 @item @samp{rtsdtr=low,high}
 Forces RTS/DTR lines to assume low or high state during the whole