[gnome-builder] prefs: fix up wording

[Christian Hergert <chergert src gnome org>]

commit b7fc8200b78d780a573a378d2fe1bb1284b6141a
Author: Christian Hergert <chergert redhat com>
Date:   Sat Nov 7 02:47:08 2015 -0800

    prefs: fix up wording

 libide/preferences/ide-preferences-builtin.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libide/preferences/ide-preferences-builtin.c b/libide/preferences/ide-preferences-builtin.c
index bbcde9a..0b1d903 100644
--- a/libide/preferences/ide-preferences-builtin.c
+++ b/libide/preferences/ide-preferences-builtin.c
@@ -90,8 +90,8 @@ ide_preferences_builtin_register_appearance (IdePreferences *preferences)
       ide_preferences_add_radio (preferences, "appearance", "schemes", "org.gnome.builder.editor", 
"style-scheme-name", variant_str, title, NULL, title, i);
     }
 
-  ide_preferences_add_group (preferences, "appearance", "background", NULL, 300);
-  ide_preferences_add_switch (preferences, "appearance", "background", "org.gnome.builder.editor", 
"show-grid-lines", NULL, NULL, _("Grid Pattern"), _("Display a grid pattern beneath the source code"), NULL, 
0);
+  ide_preferences_add_list_group (preferences, "appearance", "background", NULL, 300);
+  ide_preferences_add_switch (preferences, "appearance", "background", "org.gnome.builder.editor", 
"show-grid-lines", NULL, NULL, _("Grid Pattern"), _("Display a grid pattern underneath the source code"), 
NULL, 0);
 }
 
 static void