diff --git a/README.md b/README.md
index 19bdd432..1c516148 100644
--- a/README.md
+++ b/README.md
@@ -348,7 +348,7 @@ The following listing shows the `RetryListener` interface:
 ```java
 public interface RetryListener {
 
-    void open(RetryContext context, RetryCallback<T> callback);
+    boolean open(RetryContext context, RetryCallback<T> callback);
 
     void onSuccess(RetryContext context, T result);