diff --git a/src/testdir/test_balloon.vim b/src/testdir/test_balloon.vim
index bb22f7b..319e546 100644
--- a/src/testdir/test_balloon.vim
+++ b/src/testdir/test_balloon.vim
@@ -64,3 +64,5 @@
   call StopVimInTerminal(buf)
   call delete('XTest_beval_visual')
 endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab