</code>, if you want to change the labels in all editions of the same type. The directory in <code>Translations</code> can only be called <code>html</code>, <code>html_chunked</code> or <code>pdf</code>.</li>
<li><code>&lt;book&gt;/Resources/Translations/labels.en.yml</code>, if you want to change the labels on all the editions of the book, regardless of its name or type.</li>
</ol>

<p>When you use your own label file, you don't have to define the value of all labels. Add only the labels that you want to m