* doc/emacs/screen.texi (Mode Line): Mention tooltips shown when
hovering the mouse over the mode line. Suggested by Eduardo
Mercovich <eduardo@mercovich.net> in emacs-manual-bugs@gnu.org.
You can change the appearance of the mode line as well as the format
of its contents. @xref{Optional Mode Line}. In addition, the mode
line is mouse-sensitive; clicking on different parts of the mode line
-performs various commands. @xref{Mode Line Mouse}.
+performs various commands. @xref{Mode Line Mouse}. Also, hovering
+the mouse pointer above mouse-sensitive portions of the mode line
+shows tooltips (@pxref{Tooltips}) with information about commands you
+can invoke by clicking on the mode line.
@node Menu Bar
@section The Menu Bar