[gtkmm/gtkmm-3-24] Gtk::Widget: Improve the class documentation

[Kjell Ahlstedt <kjellahl src gnome org>]

commit e542e4d25ad41cbc87da006db10f762d2ff759be
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Wed Jun 29 12:00:54 2022 +0200

    Gtk::Widget: Improve the class documentation

 gtk/src/widget.hg | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/src/widget.hg b/gtk/src/widget.hg
index 4c7b2689..4c5790aa 100644
--- a/gtk/src/widget.hg
+++ b/gtk/src/widget.hg
@@ -86,7 +86,7 @@ typedef Gdk::Rectangle Allocation;
  */
 
 //TODO: Deal with the GtkObject->GObject change:
-/** Abstract Widget (Base class for all widgets)
+/** Abstract %Widget (Base class for all widgets)
  *
  * As the base class of all widgets this contains all of the properties
  * and methods common to all widgets.  It is an abstract class that
@@ -97,7 +97,7 @@ typedef Gdk::Rectangle Allocation;
  * thus also from XLib. By overriding those virtual methods you can
  * trap everything a widget can ever do.
  * In order to capture events from a widget, the event mask must
- * first be set with ().
+ * first be set with set_events() or add_events().
  *
  * Only widgets with a Gdk::Window on the server side are allowed to
  * capture events.  Widgets in the Gtk::Misc group for example lack