[libadwaita] leaflet: Fix child-transition-params link

[Alexander Mikhaylenko <alexm src gnome org>]

commit 5cb00a274318b870f4b3ff09ed8f24d52f11f7de
Author: Guido Günther <agx sigxcpu org>
Date:   Wed Jun 15 13:35:37 2022 +0000

    leaflet: Fix child-transition-params link
    
    child-transition-duration isn't a valid property and links to properties
    need a property@ prefix.

 src/adw-leaflet.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/adw-leaflet.c b/src/adw-leaflet.c
index c20b5ef5..78f32644 100644
--- a/src/adw-leaflet.c
+++ b/src/adw-leaflet.c
@@ -2251,9 +2251,9 @@ adw_leaflet_class_init (AdwLeafletClass *klass)
    * The widget currently visible when the leaflet is folded.
    *
    * The transition is determined by [property@Leaflet:transition-type] and
-   * [Leaflet:child-transition-duration]. The transition can be cancelled by the
-   * user, in which case visible child will change back to the previously
-   * visible child.
+   * [property@Leaflet:child-transition-params]. The transition can be
+   * cancelled by the user, in which case visible child will change back to the
+   * previously visible child.
    *
    * Since: 1.0
    */