[gtk/icon-browser-tweaks] dialog: Fix a doc typo

[Matthias Clasen <matthiasc src gnome org>]

commit 33eb72a69b8784c0dea376ce88974a0f4ccad2d9
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Apr 16 21:13:40 2019 -0400

    dialog: Fix a doc typo

 gtk/gtkdialog.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkdialog.c b/gtk/gtkdialog.c
index dc64bea60d..361913e300 100644
--- a/gtk/gtkdialog.c
+++ b/gtk/gtkdialog.c
@@ -132,8 +132,8 @@
  * # GtkDialog as GtkBuildable
  *
  * The GtkDialog implementation of the #GtkBuildable interface exposes the
- * @message_area and @action_area as internal children with the names
- * “action_area” and “action_area”.
+ * @content_area and @action_area as internal children with the names
+ * “content_area” and “action_area”.
  *
  * GtkDialog supports a custom <action-widgets> element, which can contain
  * multiple <action-widget> elements. The “response” attribute specifies a