[gnome-shell] st: Fix typo in doc comment

[Florian Müllner <fmuellner src gnome org>]

commit 3c6f59ae6dc458e82468a685bb34b21cefd0a716
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Aug 14 00:04:38 2020 +0200

    st: Fix typo in doc comment
    
    Spotted by g-ir-scanner.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1408

 src/st/st-adjustment.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/st/st-adjustment.c b/src/st/st-adjustment.c
index e08d0afc4c..1538c46a38 100644
--- a/src/st/st-adjustment.c
+++ b/src/st/st-adjustment.c
@@ -922,7 +922,7 @@ st_adjustment_get_transition (StAdjustment *adjustment,
  * st_adjustment_add_transition:
  * @adjustment: a #StAdjustment
  * @name: a unique name for the transition
- * @transtion: a #ClutterTransition
+ * @transition: a #ClutterTransition
  *
  * Add a #ClutterTransition for the adjustment. If the transiton stops, it will
  * be automatically removed if #ClutterTransition:remove-on-complete is %TRUE.