diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 14b53ed30b..628ff17c74 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -11507,7 +11507,7 @@ _gtk_widget_peek_accessible (GtkWidget *widget)
* class for which such an implementation is defined.
*
* The documentation of the
- * ATK
+ * ATK
* library contains more information about accessible objects and their uses.
*
* Returns: (transfer none): the #AtkObject associated with @widget