diff --git a/src/testdir/test_options.vim b/src/testdir/test_options.vim
index 102502e..23c4077 100644
--- a/src/testdir/test_options.vim
+++ b/src/testdir/test_options.vim
@@ -274,7 +274,7 @@
   call feedkeys(":setglobal di\<C-A>\<C-B>\"\<CR>", 'tx')
   call assert_equal('"setglobal dictionary diff diffexpr diffopt digraph directory display', @:)
 
-  " Expand boolan options. When doing :set no<Tab>
+  " Expand boolean options. When doing :set no<Tab>
   " vim displays the options names without "no" but completion uses "no...".
   call feedkeys(":set nodi\<C-A>\<C-B>\"\<CR>", 'tx')
   call assert_equal('"set nodiff digraph', @:)