design-themes/theme_nano/views/snippets/s_references.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

<template id="s_references" inherit_id="website.s_references">
    <!-- Section -->
    <xpath expr="//section" position="attributes">
        <attribute name="class" add="o_cc5" remove="o_cc1" separator=" "/>
    </xpath>
    <xpath expr="//h2" position="replace">
        <h2 style="text-align: center;">Trusted by industry leaders</h2>
    </xpath>
    <xpath expr="//p" position="replace"/>
    <xpath expr="//p" position="replace"/>
    <xpath expr="//div[hasclass('col-lg-2')]" position="attributes">
        <attribute name="class" add="offset-lg-1" separator=" "/>
    </xpath>
    <xpath expr="(//div[hasclass('col-lg-2')])[6]" position="replace"/>
</template>

</odoo>