updated example

README.md

@@ -58,7 +58,8 @@ querystring = signer.generate_query_string_params(
 #=> client_id=your_client_id&
 #=> page=https://wepay.com/account/12345&
 #=> redirect_uri=https://partnersite.com/home&
-#=> token=dfbffab5b6f7156402da8147886bba3eba67bd5baf2e780ba9d39e8437db7c47...
+#=> stoken=dfbffab5b6f7156402da8147886bba3eba67bd5baf2e780ba9d39e8437db7c47...&
+#=> token=token=acb1b5b8-af32-5356-bd2a-5bac74366e4c
 ```
 
 ## Installation