Update USAGE.rst

Author: amh-mw

report_xlsx/readme/USAGE.rst

@@ -27,7 +27,7 @@ A report XML record ::
         <field name="report_type">xlsx</field>
         <field name="report_name">module_name.report_name</field>
         <field name="report_file">module_name.report_file</field>
-        <field name="binding_model_id" ref="mrp.model_mrp_production"/>
+        <field name="binding_model_id" ref="res.partner"/>
         <field name="binding_type">report</field>
         <field name="attachment_use" eval="False"/>
     </record>