diff --git a/doc/misc/widget.texi b/doc/misc/widget.texi
index 1cdeab5bbaa..b7ce3f7a262 100644
--- a/doc/misc/widget.texi
+++ b/doc/misc/widget.texi
@@ -785,13 +785,19 @@ The following navigation commands are available:
 
 @table @kbd
 @item @key{TAB}
-@deffn Command widget-forward &optional count
-Move point @var{count} buttons or editing fields forward.
+@deffn Command widget-forward count &optional suppress-echo
+Move point @var{count} buttons or editing fields forward.  The optional
+@var{suppress-echo} argument suppresses showing in the echo-area the
+help-echo text, if any, for the final position after the move; it is
+always @code{nil} in interactive invocations.
 @end deffn
 @item M-@key{TAB}
 @itemx S-@key{TAB}
-@deffn Command widget-backward &optional count
-Move point @var{count} buttons or editing fields backward.
+@deffn Command widget-backward count &optional suppress-echo
+Move point @var{count} buttons or editing fields backward.  The optional
+@var{suppress-echo} argument suppresses showing in the echo-area the
+help-echo text, if any, for the final position after the move; it is
+always @code{nil} in interactive invocations.
 @end deffn
 @end table
 
diff --git a/lisp/wid-edit.el b/lisp/wid-edit.el
index 6d576a10b73..353d546fce4 100644
--- a/lisp/wid-edit.el
+++ b/lisp/wid-edit.el
@@ -1334,10 +1334,10 @@ POS defaults to the value of (point).  If user option
 This is much faster.")
 
 (defun widget-move (arg &optional suppress-echo)
-  "Move point to the ARG next field or button.
+  "Move point to the ARGth next field or button.
 ARG may be negative to move backward.
-When the second optional argument is non-nil,
-nothing is shown in the echo area."
+If the optional argument SUPPRESS-ECHO is non-nil, suppress showing
+in the echo area the help-echo, if any, for the final position."
   (let* ((wrapped 0)
 	 (number arg)
          (fwd (> arg 0))                ; widget-forward is caller.
@@ -1384,19 +1384,19 @@ nothing is shown in the echo area."
   (run-hooks 'widget-move-hook))
 
 (defun widget-forward (arg &optional suppress-echo)
-  "Move point to the next field or button.
-With optional ARG, move across that many fields.
-When the second optional argument is non-nil,
-nothing is shown in the echo area."
+  "Move point forward across ARG fields or buttons.
+Interactively, ARG is the prefix numeric argument and defaults to 1.
+If the optional argument SUPPRESS-ECHO is non-nil, suppress showing
+in the echo area the help-echo, if any, for the final position."
   (interactive "p")
   (run-hooks 'widget-forward-hook)
   (widget-move arg suppress-echo))
 
 (defun widget-backward (arg &optional suppress-echo)
-  "Move point to the previous field or button.
-With optional ARG, move across that many fields.
-When the second optional argument is non-nil,
-nothing is shown in the echo area."
+  "Move point back across ARG fields or buttons.
+Interactively, ARG is the prefix numeric argument and defaults to 1.
+If the optional argument SUPPRESS-ECHO is non-nil, suppress showing
+in the echo area the help-echo, if any, for the final position."
   (interactive "p")
   (run-hooks 'widget-backward-hook)
   (widget-move (- arg) suppress-echo))