[gtk/matthiasc/for-main] gtk-demo: Add some keywords

[Matthias Clasen <matthiasc src gnome org>]

commit 8b3a38779b8e167cd65ba2f0c01f47ef50a2370b
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jun 13 11:16:51 2022 -0400

    gtk-demo: Add some keywords
    
    Make it so that the right demos show up when
    you search for GtkInscription.

 demos/gtk-demo/listview_words.c | 2 +-
 demos/gtk-demo/read_more.c      | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/demos/gtk-demo/listview_words.c b/demos/gtk-demo/listview_words.c
index bc4c9b8f66..9b3e6a636d 100644
--- a/demos/gtk-demo/listview_words.c
+++ b/demos/gtk-demo/listview_words.c
@@ -1,5 +1,5 @@
 /* Lists/Words
- * #Keywords: GtkListView, GtkFilterListModel
+ * #Keywords: GtkListView, GtkFilterListModel, GtkInscription
  *
  * This demo shows filtering a long list - of words.
  *
diff --git a/demos/gtk-demo/read_more.c b/demos/gtk-demo/read_more.c
index 3d772068eb..932b3f4b4e 100644
--- a/demos/gtk-demo/read_more.c
+++ b/demos/gtk-demo/read_more.c
@@ -1,4 +1,5 @@
 /* Read More
+ * #Keywords: GtkInscription
  *
  * A simple implementation of a widget that can either
  * display a lot of text or just the first few lines with a