Is something like this what you're looking for?
<dashboard>
<label>label</label>
<row>
<panel>
<single>
<search>
<query>.....</query>
<earliest>0</earliest>
<latest></latest>
</search>
<option ...>...</option>
</single>
<html>
<br/>hello this is a new string</br>
<br/>this is another new string on a new line</br>
</html>
</panel>
</row>
</dashboard>
inside the <panel> tag, you should be able to add an <html> tag to add some lines at the bottom of the panel and format them to be bold, italics, large, etc.
