[gtkmm-documentation] Fixed typo in string

[Daniel Mustieles GarcÃa <dmustieles src gnome org>]

commit b670343c9af257d9935efefe7d2584fe84d88fed
Author: Daniel Mustieles <daniel mustieles gmail com>
Date:   Wed Apr 18 18:03:54 2012 +0200

    Fixed typo in string

 docs/tutorial/C/gtkmm-tutorial-in.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/docs/tutorial/C/gtkmm-tutorial-in.xml b/docs/tutorial/C/gtkmm-tutorial-in.xml
index 745d9fe..6b778e2 100644
--- a/docs/tutorial/C/gtkmm-tutorial-in.xml
+++ b/docs/tutorial/C/gtkmm-tutorial-in.xml
@@ -3920,7 +3920,7 @@ to the bottom of the <classname>Dialog</classname>, you could use the
 <para>
 The <methodname>run()</methodname> method returns an <literal>int</literal>. This
 may be a value from the <literal>Gtk::ResponseType</literal> if the user
-closed the button by clicking a standard button, or it could be the custom
+closed the dialog by clicking a standard button, or it could be the custom
 response value that you specified when using <methodname>add_button()</methodname>.
 </para>