diff --git a/docs/en/Example_Batch.md b/docs/en/Example_Batch.md
index 11bb42ffbe27b28046795892c30b7adcf14f8213..06461bb51d75ec02869453e735fb0d19558bb1f6 100644
--- a/docs/en/Example_Batch.md
+++ b/docs/en/Example_Batch.md
@@ -57,7 +57,7 @@ public class ListSplitter implements Iterator<List<Message>> {
         return currIndex; 
     }
     private int calcMessageSize(Message message) {
-        int tmpSize = message.getTopic().length() + message.getBody().length(); 
+        int tmpSize = message.getTopic().length() + message.getBody().length; 
         Map<String, String> properties = message.getProperties();
         for (Map.Entry<String, String> entry : properties.entrySet()) {
             tmpSize += entry.getKey().length() + entry.getValue().length(); 
@@ -78,4 +78,4 @@ while (splitter.hasNext()) {
        // handle the error
    }
 }
-```
\ No newline at end of file
+```