[libadwaita] flap: Fix typo in doc

[Christopher Davis <christopherdavis src gnome org>]

commit 2bad3db9082c0b8aadbbeb9abdc20b25694d65e3
Author: Romain Vigier <romain romainvigier fr>
Date:   Wed Nov 10 13:41:03 2021 +0100

    flap: Fix typo in doc

 src/adw-flap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/adw-flap.c b/src/adw-flap.c
index 0d67726d..4c5b0d61 100644
--- a/src/adw-flap.c
+++ b/src/adw-flap.c
@@ -31,7 +31,7 @@
  * `AdwFlap` has at most three children: [property Adw Flap:content],
  * [property Adw Flap:flap] and [property Adw Flap:separator]. Content is the
  * primary child, flap is displayed next to it when unfolded, or overlays it
- * when folded. Flap can be shown or hidden by changing th
+ * when folded. Flap can be shown or hidden by changing the
  * [property Adw Flap:reveal-flap] value, as well as via swipe gestures if
  * [property Adw Flap:swipe-to-open] and/or [property Adw Flap:swipe-to-close] are
  * set to `TRUE`.