diff --git a/lisp/info.el b/lisp/info.el
index a4cae949977..3c4dbfd564a 100644
--- a/lisp/info.el
+++ b/lisp/info.el
@@ -3044,7 +3044,11 @@ At end of the node's text, moves to the next node, or up if none."
 (defun Info-follow-nearest-node (&optional fork)
   "Follow a node reference near point.
 If point is on a reference, follow that reference.  Otherwise,
-if point is in a menu item description, follow that menu item."
+if point is in a menu item description, follow that menu item.
+
+If fork is non-nil (interactively with a prefix arg), show the node in
+a new Info buffer.
+If fork is a string, it is the name to use for the new buffer."
   (interactive "P")
   (or (Info-try-follow-nearest-node fork)
       (when (save-excursion