(Fmessage): Doc fix.

src/editfns.c

@@ -3049,11 +3049,14 @@ static int message_length;
 
 DEFUN ("message", Fmessage, Smessage, 1, MANY, 0,
        doc: /* Print a one-line message at the bottom of the screen.
+The message also goes into the `*Messages*' buffer.
+\(In keyboard macros, that's all it does.)
+
 The first argument is a format control string, and the rest are data
 to be formatted under control of the string.  See `format' for details.
 
-If the first argument is nil, clear any existing message; let the
-minibuffer contents show.
+If the first argument is nil, the function clears any existing message;
+this lets the minibuffer contents show.  See also `current-message'.
 
 usage: (message STRING &rest ARGS)  */)
      (nargs, args)