@code{message}.
@end defun
-@defun display-message-or-buffer message &optional buffer-name not-this-window frame
+@defun display-message-or-buffer message &optional buffer-name action frame
This function displays the message @var{message}, which may be either a
string or a buffer. If it is shorter than the maximum height of the
echo area, as defined by @code{max-mini-window-height}, it is displayed
where @var{message} is a string and displayed in the echo area, it is
not specified whether the contents are inserted into the buffer anyway.
-The optional arguments @var{not-this-window} and @var{frame} are as for
+The optional arguments @var{action} and @var{frame} are as for
@code{display-buffer}, and only used if a buffer is displayed.
@end defun