[UPD] README.rst

stock_inventory_preparation_filter/static/description/index.html

@@ -377,6 +377,7 @@ ul.auto-toc {
 </ul>
 <p>It also allows to make an inventory based on scanned products, adding a line
 with product code and quantity.</p>
+<p>To add several products, lots or categories by selecting all of them, install the module web_widget_many2many_tags_multi_selection.</p>
 <p><strong>Table of contents</strong></p>
 <div class="contents local topic" id="contents">
 <ul class="simple">