[glib] Correct a doc comment

[Matthias Clasen <matthiasc src gnome org>]

commit 7bea4bd89ae252b2d69daea362f9ba5c0508d2e1
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Dec 24 00:01:22 2013 -0500

    Correct a doc comment

 gio/gsettingsbackend.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gio/gsettingsbackend.c b/gio/gsettingsbackend.c
index be28dc1..bd5452b 100644
--- a/gio/gsettingsbackend.c
+++ b/gio/gsettingsbackend.c
@@ -820,9 +820,9 @@ g_settings_backend_write (GSettingsBackend *backend,
 }
 
 /*< private >
- * g_settings_backend_write_keys:
+ * g_settings_backend_write_tree:
  * @backend: a #GSettingsBackend implementation
- * @values: a #GTree containing key-value pairs to write
+ * @tree: a #GTree containing key-value pairs to write
  * @origin_tag: the origin tag
  *
  * Writes one or more keys.  This call will never block.