diff --git a/tests/__fish_not_contain_opt.err b/tests/__fish_not_contain_opt.err
index 0a8a8a204..40cdbcd11 100644
--- a/tests/__fish_not_contain_opt.err
+++ b/tests/__fish_not_contain_opt.err
@@ -1 +1 @@
-__fish_not_contains_opt: Unknown option -x
+__fish_not_contain_opt: Unknown option -x