[gtksourceview] completion: fix typo

[Christian Hergert <chergert src gnome org>]

commit 3c7945716d4f116ba004c2087ac2c2ebdb66cb59
Author: Christian Hergert <chergert redhat com>
Date:   Sat Jun 11 20:36:11 2022 -0700

    completion: fix typo

 gtksourceview/gtksourcecompletionlistbox.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtksourceview/gtksourcecompletionlistbox.c b/gtksourceview/gtksourcecompletionlistbox.c
index 5e6e29b8..47db89c3 100644
--- a/gtksourceview/gtksourcecompletionlistbox.c
+++ b/gtksourceview/gtksourcecompletionlistbox.c
@@ -925,7 +925,7 @@ gtk_source_completion_list_box_queue_update (GtkSourceCompletionListBox *self)
 {
        g_assert (GTK_SOURCE_IS_COMPLETION_LIST_BOX (self));
 
-       /* See gtk_source_completion_list_box_set_selected() for while this needs
+       /* See gtk_source_completion_list_box_set_selected() for why this needs
         * to be set here to avoid re-entrancy.
         */
        if (self->queued_update == 0)