diff --git a/README.md b/README.md
index dabbeb14f..57d283785 100644
--- a/README.md
+++ b/README.md
@@ -133,7 +133,7 @@ It is certainly possible to create a great app using React Native without writin
 - (void)processString:(NSString *)input callback:(RCTResponseSenderBlock)callback
 {
   RCT_EXPORT(); // available as NativeModules.MyCustomModule.processString
-  callback(@[[input stringByReplacingOccurrencesOfString:@"Goodbye" withString:@"Hello"];]]);
+  callback(@[[input stringByReplacingOccurrencesOfString:@"Goodbye" withString:@"Hello"]]);
 }
 @end
 ```