Updated initial message in form and clarity to UI element title
It includes the suggestion from to improve the user interface
<label>Copy and share this URL:</label>
</div>
<div class="url-row">
- <pre id="basic-url-snippet">Begin typing to see your URL!</pre>
+ <pre id="basic-url-snippet">After filling in the form, a generated URL for sharing your Binder will be displayed here.</pre>
</div>
</div>
