title: zsh: parse error near `\n' when Adding AWS keys as environment variables
body: <p>I have a Rails app that I am hosting on Heroku, and hosting images on a Amazon S3. I am trying to add my Amazon credentials to my app using:</p>
  
  <pre><code>heroku config:add aws_access_key:&lt;your access key&gt; aws_secret_key:&lt;your secret key&gt;
  </code></pre>
  
  <p>I keep getting the error:  </p>
  
  <pre><code>zsh: parse error near `\n'
  </code></pre>
  
  <p>I have no idea what the problem is.  </p>