diff --git a/beps/0003-auth-architecture-evolution/README.md b/beps/0003-auth-architecture-evolution/README.md
index 998eb08dbd..e7bbb2804d 100644
--- a/beps/0003-auth-architecture-evolution/README.md
+++ b/beps/0003-auth-architecture-evolution/README.md
@@ -232,7 +232,7 @@ export default createBackendPlugin({
 
         // Endpoint that sets the cookie for the user
         router.get('/cookie', async (req, res) => {
-          const { expiresAt } = await httpAuth.issueUserCookie(req);
+          const { expiresAt } = await httpAuth.issueUserCookie(res);
 
           res.json({ expiresAt: expiresAt.toISOString() });
         });