diff --git a/src/strings/clone_test.go b/src/strings/clone_test.go
index 77479cfacf..64f2760ee3 100644
--- a/src/strings/clone_test.go
+++ b/src/strings/clone_test.go
@@ -1,6 +1,6 @@
 // Copyright 2021 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.ß
+// license that can be found in the LICENSE file.
 
 package strings_test