diff --git a/gtk/gtkstackswitcher.c b/gtk/gtkstackswitcher.c
index 226ec9eee7..99a0dd38be 100644
--- a/gtk/gtkstackswitcher.c
+++ b/gtk/gtkstackswitcher.c
@@ -45,8 +45,8 @@
  *
  * # CSS nodes
  *
- * GtkStackSwitcher has a single CSS node names stackswitcher and
- * style class .sidebar.
+ * GtkStackSwitcher has a single CSS node named stackswitcher and
+ * style class .stack-switcher.
  *
  * When circumstances require it, GtkStackSwitcher adds the
  * .needs-attention style class to the widgets representing the