diff --git a/README.md b/README.md
index 83b963d..b9a3312 100644
--- a/README.md
+++ b/README.md
@@ -125,7 +125,7 @@ await Requests.setStoredCookies(url, cookieJar);
 
 // Add a single cookie using [Requests.addCookie]
 // Same as the above one but without exposing `cookies.dart`
-Requests.addCookie(url, "name", "value");
+await Requests.addCookie(url, "name", "value");
 ```
 
 More examples can be found in [example/](./example/).