diff --git a/src/testdir/test_substitute.vim b/src/testdir/test_substitute.vim
index 4268aab..7491b61 100644
--- a/src/testdir/test_substitute.vim
+++ b/src/testdir/test_substitute.vim
@@ -707,7 +707,7 @@
 endfunc
 
 func Test_nocatch_sub_failure_handling()
-  " normal error results in all replacements 
+  " normal error results in all replacements
   func Foo()
     foobar
   endfunc