Index: gail/gailwindow.c
===================================================================
--- gail/gailwindow.c	(revision 1288)
+++ gail/gailwindow.c	(working copy)
@@ -273,7 +273,8 @@
       const gchar *name;
 
       name = gtk_widget_get_name (widget);
-      if (name && !strcmp (name, "gtk-tooltips"))
+      if (name && (!strcmp (name, "gtk-tooltip") || 
+                   !strcmp (name, "gtk-tooltips")))
         obj->role = ATK_ROLE_TOOL_TIP;
       else if (GTK_IS_PLUG (widget))
         obj->role = ATK_ROLE_PANEL;
