diff --git a/utils/Utils.java b/utils/Utils.java
index ceda079..cc35def 100644
--- a/utils/Utils.java
+++ b/utils/Utils.java
@@ -117,7 +117,7 @@ public class Utils {
 
   public static void testPalindrome(Function<char[], Boolean> func) {
     testPalindrome(func, "palindrome", false);
-    for (String pal : List.of("elle", "kayak", "serre", "essayasse")) {
+    for (String pal : List.of("elle", "kayak", "serres", "essayasse")) {
       testPalindrome(func, pal, true);
     }
   }