[glib] Fix typo in docs for extension point

[Thomas Hindoe Paaboel Andersen <thomashpa src gnome org>]

commit 8f19d06ed932b8fa8b1d58c7a5676aa5590be1e4
Author: Thomas Hindoe Paaboel Andersen <phomes gmail com>
Date:   Tue Nov 30 02:12:16 2010 +0100

    Fix typo in docs for extension point
    
    Introduced in fcd3e3422749ddbbf29809fcc90ffe8df9d5f696

 docs/reference/gio/overview.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/docs/reference/gio/overview.xml b/docs/reference/gio/overview.xml
index 3e34ee1..58ce317 100644
--- a/docs/reference/gio/overview.xml
+++ b/docs/reference/gio/overview.xml
@@ -520,7 +520,7 @@
       <para>
         This extension point has been discontinued in GLib 2.28. It is
         still available to keep API and ABI stability, but GIO is no
-        longer using to for default handlers. Instead, the mime handler
+        longer using it for default handlers. Instead, the mime handler
         mechanism is used, together with x-scheme-handler pseudo-mimetypes.
       </para>
    </formalpara>