title: How to change the caption of a button in a QDialogButtonBox?
body: <p>I have added a <code>QDialogButtonBox</code> button with the default <em>Cancel</em> and <em>OK</em> buttons.</p>
  
  <p>Is there a way to change the <strong>caption</strong> of these buttons? For example, <em>OK</em> should become <em>Run</em>.</p>