[libhandy] swipe-tracker: Fix _new() docs

[Adrien Plazas <aplazas src gnome org>]

commit 8fb0ce17b2bde396f57605bfa842018f5017d53b
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Jun 15 01:46:34 2020 +0500

    swipe-tracker: Fix _new() docs
    
    The parameter name was wrong.
    
    Signed-off-by: Alexander Mikhaylenko <alexm gnome org>

 src/hdy-swipe-tracker.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/hdy-swipe-tracker.c b/src/hdy-swipe-tracker.c
index 1f080b7c..f28365dd 100644
--- a/src/hdy-swipe-tracker.c
+++ b/src/hdy-swipe-tracker.c
@@ -823,7 +823,7 @@ hdy_swipe_tracker_init (HdySwipeTracker *self)
 
 /**
  * hdy_swipe_tracker_new:
- * @widget: a #GtkWidget to add the tracker on
+ * @swipeable: a #GtkWidget to add the tracker on
  *
  * Create a new #HdySwipeTracker object on @widget.
  *