[gtksourceview] styleschemepreview: fix gtk-doc section name

[Christian Hergert <chergert src gnome org>]

commit 1f7fe90861dd9e737f4f36b2bebe3a1b08ab2bd8
Author: Christian Hergert <chergert redhat com>
Date:   Tue Oct 12 15:19:50 2021 -0700

    styleschemepreview: fix gtk-doc section name

 gtksourceview/gtksourcestyleschemepreview.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtksourceview/gtksourcestyleschemepreview.c b/gtksourceview/gtksourcestyleschemepreview.c
index 8ab5ff12..39de94c8 100644
--- a/gtksourceview/gtksourcestyleschemepreview.c
+++ b/gtksourceview/gtksourcestyleschemepreview.c
@@ -34,7 +34,7 @@
 #include "gtksourceview.h"
 
 /**
- * SECTION:sourcestyleschemepreview
+ * SECTION:styleschemepreview
  * @title: GtkSourceStyleSchemePreview
  * @short_description: a preview widget for #GtkSourceStyleScheme
  *