diff --git a/readme-chs.md b/readme-chs.md
index aea9caf..4b1a5e2 100644
--- a/readme-chs.md
+++ b/readme-chs.md
@@ -85,7 +85,7 @@ DSBridge v3.0 是一个里程碑版本，和v2.0相比，有许多变化，需
    }
    ```
 
-   可以看到，DSBridge正式通过类的方式集中、统一地管理API。由于安全原因，所有Java API 必须有*"@JavascriptInterface"* 标注。
+   可以看到，DSBridge正式通过类的方式集中、统一地管理API。由于安全原因，所有Java API 必须有"@JavascriptInterface" 标注。
 
 2. 添加API类实例到 DWebView .
 
diff --git a/readme.md b/readme.md
index 7ed71d8..9899cdb 100644
--- a/readme.md
+++ b/readme.md
@@ -71,13 +71,13 @@ To use a dsBridge in your own project:
 
        //for asynchronous invocation
        @JavascriptInterface
-       public void testAsyn(Object msg, CompletionHandler handler) {
+       public void testAsyn(Object msg, CompletionHandler<String> handler) {
            handler.complete(msg+" [ asyn call]");
        }
    }
    ```
 
-   For security reason, Java APIs must be with *"@JavascriptInterface"* annotation . 
+   For security reason, Java APIs must be with "@JavascriptInterface" annotation .
 
 2. Add API object to DWebView .