diff --git a/tests/baselines/reference/ES5For-ofTypeCheck14.errors.txt b/tests/baselines/reference/ES5For-ofTypeCheck14.errors.txt
index 316a7a63a3b..1fde67722db 100644
--- a/tests/baselines/reference/ES5For-ofTypeCheck14.errors.txt
+++ b/tests/baselines/reference/ES5For-ofTypeCheck14.errors.txt
@@ -1,8 +1,8 @@
-tests/cases/conformance/statements/for-ofStatements/ES5For-ofTypeCheck14.ts(2,17): error TS2568: Type 'Set<number>' is not an array type. Either use the '--downlevelIteration' compiler option to allow iterating on iterators, or set the '--target' option to 'es2015' or above.
+tests/cases/conformance/statements/for-ofStatements/ES5For-ofTypeCheck14.ts(2,17): error TS2569: Type 'Set<number>' is not an array type or a string type. Use compiler option '--downlevelIteration' to allow iterating of iterators.
 
 
 ==== tests/cases/conformance/statements/for-ofStatements/ES5For-ofTypeCheck14.ts (1 errors) ====
     var union: string | Set<number>
     for (const e of union) { }
                     ~~~~~
-!!! error TS2568: Type 'Set<number>' is not an array type. Either use the '--downlevelIteration' compiler option to allow iterating on iterators, or set the '--target' option to 'es2015' or above.
\ No newline at end of file
+!!! error TS2569: Type 'Set<number>' is not an array type or a string type. Use compiler option '--downlevelIteration' to allow iterating of iterators.
\ No newline at end of file