[gtk+] gtk-demo: Fix a typo

[Matthias Clasen <matthiasc src gnome org>]

commit b7fd0147f795351c5dd31558ce43e99b1ddb1875
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Mar 8 08:53:18 2016 -0500

    gtk-demo: Fix a typo

 demos/gtk-demo/application_demo.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/demos/gtk-demo/application_demo.c b/demos/gtk-demo/application_demo.c
index 798fcad..4174bbb 100644
--- a/demos/gtk-demo/application_demo.c
+++ b/demos/gtk-demo/application_demo.c
@@ -2,7 +2,7 @@
  *
  * Demonstrates a simple application.
  *
- * This examples uses GtkApplication, GtkApplicationWindow, GtkBuilder
+ * This example uses GtkApplication, GtkApplicationWindow, GtkBuilder
  * as well as GMenu and GResource. Due to the way GtkApplication is structured,
  * it is run as a separate process.
  */