diff --git a/dio/README-ZH.md b/dio/README-ZH.md
index 994b8e4a6..e26b7506c 100644
--- a/dio/README-ZH.md
+++ b/dio/README-ZH.md
@@ -398,14 +398,14 @@ dio.interceptors.add(
   InterceptorsWrapper(
     onRequest: (RequestOptions options, RequestInterceptorHandler handler) {
       // 如果你想完成请求并返回一些自定义数据，你可以使用 `handler.resolve(response)`。
-      // 如果你想终止请求并触发一个错误,你可以使用 `handler.reject(error)`。
+      // 如果你想终止请求并触发一个错误，你可以使用 `handler.reject(error)`。
       return handler.next(options);
     },
-    onResponse: (Response response, RequestInterceptorHandler handler) {
-      // 如果你想终止请求并触发一个错误,你可以使用 `handler.reject(error)`。
+    onResponse: (Response response, ResponseInterceptorHandler handler) {
+      // 如果你想终止请求并触发一个错误，你可以使用 `handler.reject(error)`。
       return handler.next(response);
     },
-    onError: (DioError e, RequestInterceptorHandler handler) {
+    onError: (DioError e, ErrorInterceptorHandler handler) {
       // 如果你想完成请求并返回一些自定义数据，你可以使用 `handler.resolve(response)`。
       return handler.next(e);
     },
diff --git a/dio/README.md b/dio/README.md
index 4fd627e25..44eeaa807 100644
--- a/dio/README.md
+++ b/dio/README.md
@@ -423,17 +423,17 @@ dio.interceptors.add(
       // you can reject with a `DioError` using `handler.reject(dioError)`.
       return handler.next(options);
     },
-    onResponse: (Response response, RequestInterceptorHandler handler) {
+    onResponse: (Response response, ResponseInterceptorHandler handler) {
       // Do something with response data.
       // If you want to reject the request with a error message,
-      // you can reject a `DioError` object eg: `handler.reject(dioError)`.
+      // you can reject a `DioError` object using `handler.reject(dioError)`.
       return handler.next(response);
     },
-    onError: (DioError e, RequestInterceptorHandler handler) {
-      // Do something with response error
-      // If you want to resolve the request with some custom data
-      // you can resolve a `Response` object eg: `handler.resolve(response)`.
-      return handler.next(e);//continue
+    onError: (DioError e, ErrorInterceptorHandler handler) {
+      // Do something with response error.
+      // If you want to resolve the request with some custom data,
+      // you can resolve a `Response` object using `handler.resolve(response)`.
+      return handler.next(e);
     },
   ),
 );