menu.xml

<?xml version="1.0" encoding="UTF-8" ?>
<templates id="template" xml:space="preserve">
    <div t-extend="UserMenu.shortcuts">
        <t
            t-jquery="table.o_shortcut_table > tbody > tr > td:nth-child(2) > span:first-child"
            t-operation="after"
        >
        + <span class="o_key">Shift</span>
    </t>
    </div>
</templates>