diff --git a/demos/gtk-demo/builder.c b/demos/gtk-demo/builder.c
index b6c3afbc09..7699b3d0f6 100644
--- a/demos/gtk-demo/builder.c
+++ b/demos/gtk-demo/builder.c
@@ -1,6 +1,7 @@
 /* Builder
  *
- * Demonstrates an interface loaded from a XML description.
+ * Demonstrates a traditional interface, loaded from a XML description,
+ * and shows how to connect actions to the menu items and toolbar buttons.
  */
 
 #include <gtk/gtk.h>