title: Using renewAuth fails with invalid_token "audience is not valid"
body: <p>I am following along with the instructions to renew a token at</p>
  
  <p><a href="https://auth0.com/docs/quickstart/spa/vanillajs/05-token-renewal" rel="nofollow noreferrer">https://auth0.com/docs/quickstart/spa/vanillajs/05-token-renewal</a></p>
  
  <p>and I'm getting this error in response:</p>
  
  <p>{"error":"invalid_token","errorDescription":"Audience XXXXXXXXX is not valid."}</p>
  
  <p>When I make the call to <code>renewAuth</code>, I pass the same audience value I used when calling <code>new WebAuth</code> (and it's not what I'm seeing in the error message (XXXX), which is an unintelligible sequence of characters).</p>
  
  <p>After further examination, the Audience XXXXXX value that is being returned is my client id.</p>