[glib] Document the GIO_USE_TLS environment variable

[Matthias Clasen <matthiasc src gnome org>]

commit 69c6e41b54085a7febc769f3b0582abf7c650a5f
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Dec 13 09:04:28 2010 -0500

    Document the GIO_USE_TLS environment variable

 docs/reference/gio/overview.xml |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/docs/reference/gio/overview.xml b/docs/reference/gio/overview.xml
index 58ce317..a6e327b 100644
--- a/docs/reference/gio/overview.xml
+++ b/docs/reference/gio/overview.xml
@@ -247,14 +247,13 @@
     </formalpara>
 
     <formalpara>
-      <title><envar>GIO_USE_URI_ASSOCIATION</envar></title>
+      <title><envar>GIO_USE_TLS</envar></title>
 
       <para>
-        This variable can be set to the name of a #GDesktopAppInfoLookup
+        This variable can be set to the name of a #GTlsBackend
         implementation to override the default for debugging purposes.
-        GIO does not include a #GDesktopAppInfoLookup implementation,
-        the GConf-based implementation in the gvfs module has the name
-        "gconf".
+        GIO does not include a #GTlsBackend implementation, the gnutls-based
+        implementation in the glib-networking module has the name "gnutls".
       </para>
     </formalpara>