[libadwaita] button-content: fix docs typo

[Alexander Mikhaylenko <alexm src gnome org>]

commit dee87624c8e88c75d7c728c75ec41d87909cff08
Author: Noëlle <35351-jannuary users noreply gitlab gnome org>
Date:   Mon Nov 15 05:04:53 2021 +0000

    button-content: fix docs typo

 src/adw-button-content.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/adw-button-content.c b/src/adw-button-content.c
index cbe4ea98..33a9e78d 100644
--- a/src/adw-button-content.c
+++ b/src/adw-button-content.c
@@ -20,7 +20,7 @@
  * `AdwButtonContent` is a box-like widget with an icon and a label.
  *
  * It's intended to be used as a direct child of [class@Gtk.Button],
- * [class@Gtk.MenuButton] or [class@Adw.SplitButton], when they need to habe
+ * [class@Gtk.MenuButton] or [class@Adw.SplitButton], when they need to have
  * both an icon and a label, as follows:
  *
  * ```xml