diff --git a/exercises/practice/reverse-string/reverse-string.spec.js b/exercises/practice/reverse-string/reverse-string.spec.js
index 55e5af912a..d93cc04e6f 100644
--- a/exercises/practice/reverse-string/reverse-string.spec.js
+++ b/exercises/practice/reverse-string/reverse-string.spec.js
@@ -44,6 +44,9 @@ describe('ReverseString', () => {
     expect(actual).toEqual(expected);
   });
 
+  // The following test cases deal with complex characters.
+  // You can optionally enable these tests by removing `.skip` from the test.
+
   test.skip('grapheme cluster with pre-combined form', () => {
     const expected = 'dnatsnehctsrüW';
     const actual = reverseString('Würstchenstand');