[glib] gio: Fix minor typo in GActionGroup documentation

[Philip Withnall <pwithnall src gnome org>]

commit 0a580fc79e701363b12de2398e5c7428fe8af739
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Mon Mar 14 12:57:20 2016 +0000

    gio: Fix minor typo in GActionGroup documentation

 gio/gactiongroup.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/gactiongroup.c b/gio/gactiongroup.c
index 1df6879..425a20a 100644
--- a/gio/gactiongroup.c
+++ b/gio/gactiongroup.c
@@ -343,7 +343,7 @@ g_action_group_default_init (GActionGroupInterface *iface)
  * it is no longer required.
  *
  * Returns: (transfer full): a %NULL-terminated array of the names of the
- * actions in the groupb
+ * actions in the group
  *
  * Since: 2.28
  **/