diff --git a/easy-batch-tutorials/src/main/java/org/jeasy/batch/tutorials/basic/wordcount/WordCounter.java b/easy-batch-tutorials/src/main/java/org/jeasy/batch/tutorials/basic/wordcount/WordCounter.java
index 1944d7453..03123be9d 100644
--- a/easy-batch-tutorials/src/main/java/org/jeasy/batch/tutorials/basic/wordcount/WordCounter.java
+++ b/easy-batch-tutorials/src/main/java/org/jeasy/batch/tutorials/basic/wordcount/WordCounter.java
@@ -20,6 +20,7 @@ Map<String, Integer> getCount() {
         return words;
     }
 
+    @Override
     public Record<List<String>> processRecord(Record<List<String>> record) {
         List<String> tokens = record.getPayload();
         for (String token : tokens) {