Document that retry option doesn't work with streams

readme.md

@@ -356,6 +356,8 @@ Default:
 
 An object representing `limit`, `calculateDelay`, `methods`, `statusCodes`, `maxRetryAfter` and `errorCodes` fields for maximum retry count, retry handler, allowed methods, allowed status codes, maximum [`Retry-After`](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Retry-After) time and allowed error codes.
 
+**Note:** When using streams, this option is ignored.
+
 If `maxRetryAfter` is set to `undefined`, it will use `options.timeout`.<br>
 If [`Retry-After`](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Retry-After) header is greater than `maxRetryAfter`, it will cancel the request.