[gtk/a11y/atspi] docs: Fix a copy-paste error

[Matthias Clasen <matthiasc src gnome org>]

commit 2142c6c086160d955e6a54c9301a5b6ff454a7bc
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Oct 14 08:23:06 2020 -0400

    docs: Fix a copy-paste error

 gtk/gtkcombobox.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtkcombobox.c b/gtk/gtkcombobox.c
index 0da1daa52c..a8c839b170 100644
--- a/gtk/gtkcombobox.c
+++ b/gtk/gtkcombobox.c
@@ -106,7 +106,7 @@
  *
  * # Accessibility
  *
- * GtkEntry uses the #GTK_ACCESSIBLE_ROLE_COMBO_BOX role.
+ * GtkComboBox uses the #GTK_ACCESSIBLE_ROLE_COMBO_BOX role.
  */