Step-4 of tutorial code for post-card Polymer prototype does not use element name

[mckoss]

The sample code in the tutorial

http://www.polymer-project.org/docs/start/tutorial/step-4.html

<script>
  Polymer({ ...});
</script

EXPECT

<script>
  Polymer('post-card', { ... });
</script>

To match the "finished" state of the code sample.

https://github.com/Polymer/polymer-tutorial/blob/master/finished/post-card.html

[tjsavage]

Duplicate of Polymer/old-docs-site#608, closing here