[gtk+] switch: Update css docs to reflect current reality

[Matthias Clasen <matthiasc src gnome org>]

commit 95d2895a050cb0d015009239ac9d98fd60cc6295
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Mar 31 11:03:49 2017 -0400

    switch: Update css docs to reflect current reality
    
    This should have been done when the hierarchy was changed.

 gtk/gtkswitch.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkswitch.c b/gtk/gtkswitch.c
index c84f57b..5077b69 100644
--- a/gtk/gtkswitch.c
+++ b/gtk/gtkswitch.c
@@ -40,11 +40,13 @@
  *
  * |[<!-- language="plain" -->
  * switch
- * ╰── slider
+ * ├── slider
+ * ├── label
+ * ╰── label
  * ]|
  *
- * GtkSwitch has two css nodes, the main node with the name switch and a subnode
- * named slider. Neither of them is using any style classes.
+ * GtkSwitch has four css nodes, the main node with the name switch and subnodes
+ * for the slider and the on and off labels. Neither of them is using any style classes.
  */
 
 #include "config.h"