diff --git a/docs/lib/auth/fragments/js/start.md b/docs/lib/auth/fragments/js/start.md
index 1ffe8ce56c2..1c1a936118f 100644
--- a/docs/lib/auth/fragments/js/start.md
+++ b/docs/lib/auth/fragments/js/start.md
@@ -93,6 +93,8 @@ Amplify.configure({
             path: '/',
         // OPTIONAL - Cookie expiration in days
             expires: 365,
+        // OPTIONAL - See: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite
+            sameSite: "strict" | "lax",
         // OPTIONAL - Cookie secure flag
         // Either true or false, indicating if the cookie transmission requires a secure protocol (https).
             secure: true