Add fieldset

Author: crissanclick

app/code/Magento/Sales/etc/fieldset.xml

@@ -486,6 +486,12 @@
                 <aspect name="to_quote_address_shipping" />
                 <aspect name="to_cm"/>
             </field>
+            <field name="discount_description">
+                <aspect name="to_quote" />
+                <aspect name="to_invoice" />
+                <aspect name="to_shipment" />
+                <aspect name="to_cm" />
+            </field>
             <field name="shipping_amount">
                 <aspect name="to_quote_address_shipping" />
                 <aspect name="to_cm"/>