Update runtime files
diff --git a/runtime/ftplugin/swift.vim b/runtime/ftplugin/swift.vim
index 26d04eb..55678f8 100644
--- a/runtime/ftplugin/swift.vim
+++ b/runtime/ftplugin/swift.vim
@@ -10,6 +10,5 @@
 
 setlocal comments=s1:/*,mb:*,ex:*/,:///,://
 setlocal expandtab
-setlocal ts=2
-setlocal sw=2
+setlocal sw=4 sts=4
 setlocal smartindent