[glib] Fix the an index title

[Matthias Clasen <matthiasc src gnome org>]

commit eecbbb0a20a114b4a2c6759aa108940902c8961c
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed May 27 12:07:13 2009 -0400

    Fix the an index title
---
 docs/reference/gio/gio-docs.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/docs/reference/gio/gio-docs.xml b/docs/reference/gio/gio-docs.xml
index 7ef921d..6df88da 100644
--- a/docs/reference/gio/gio-docs.xml
+++ b/docs/reference/gio/gio-docs.xml
@@ -152,6 +152,6 @@
     <title>Index of new symbols in 2.20</title>
   </index>
   <index role="2.22">
-    <title>Index of new symbols in 2.20</title>
+    <title>Index of new symbols in 2.22</title>
   </index>
 </book>