account-financial-tools/account_chart_update/views/account_config_settings_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- © 2016 Jairo Llopis <jairo.llopis@tecnativa.com>
     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
<odoo>

<record id="view_account_config_settings" model="ir.ui.view">
    <field name="name">Open Account Chart Update Wizard</field>
    <field name="model">account.config.settings</field>
    <field name="inherit_id" ref="account.view_account_config_settings"/>
    <field name="arch" type="xml">
        <xpath expr="//button[@name='%(account.open_account_charts_modules)d']/.." position="after">
            <div>
                <button string="Update chart template"
                        name="%(action_wizard_update_chart)d"
                        context="{'default_company_id': company_id}"
                        type="action"
                        class="oe_link"
                />
            </div>
        </xpath>
    </field>
</record>

</odoo>