[gtk/bilelmoussaoui/docs] headerbar: Fix docs

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit e6afe28de53577046d73ab1256e643cb67470b59
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Thu Mar 3 08:36:33 2022 +0000

    headerbar: Fix docs

 gtk/gtkheaderbar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtkheaderbar.c b/gtk/gtkheaderbar.c
index 5c99ff090f..ebf372a1ae 100644
--- a/gtk/gtkheaderbar.c
+++ b/gtk/gtkheaderbar.c
@@ -54,7 +54,7 @@
  * maximize and close buttons, or the window icon.
  *
  * For these reasons, `GtkHeaderBar` is the natural choice for use as the
- * custom titlebar widget of a `GtkWindow (see [method@Gtk.Window.set_titlebar]),
+ * custom titlebar widget of a `GtkWindow` (see [method@Gtk.Window.set_titlebar]),
  * as it gives features typical of titlebars while allowing the addition of
  * child widgets.
  *