oca-technical/odoo-bringout-oca-maintenance-maintenance_plan/maintenance_plan/views/report_maintenance_request.xml

<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <template
        id="report_maintenance_request_document"
        inherit_id="base_maintenance.report_maintenance_request_document"
    >
        <xpath expr="//div[@id='description']" position="after">
            <div class="row mt32 mb32" id="note">
                <div t-if="doc.note" class="col-auto mw-100 mb-2">
                    <strong>Instructions:</strong>
                    <div class="m-0" t-field="doc.note" />
                </div>
            </div>
        </xpath>
    </template>
</odoo>