Publish new build of docs

Author: github-actions[bot]

dev/plugins/mixins.html

@@ -8741,7 +8741,7 @@ <h3 id="slicerplugin"><span id="sec-plugins-mixins-slicerplugin"></span>SlicerPl
 The system will test source files contains in incoming slicing requests via <code class="xref py py-meth docutils literal notranslate"><span class="pre">octoprint.filemanager.valid_file_type()</span></code> against the
 targeted slicer’s <code class="docutils literal notranslate"><span class="pre">source_file_types</span></code>.</p>
 </dd>
-<dt>destination_extension</dt><dd><p>The possible extensions of slicing result files.</p>
+<dt>destination_extensions</dt><dd><p>A list of possible extensions of slicing result files.</p>
 </dd>
 </dl>
 <dl class="field-list simple">