Purchase Order and Receipt links in Purchase Invoice dashboard
diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice_dashboard.py b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice_dashboard.py
index d4a82c5..6141db5 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice_dashboard.py
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice_dashboard.py
@@ -4,7 +4,6 @@
 	return {
 		'fieldname': 'purchase_invoice',
 		'non_standard_fieldnames': {
-			'Delivery Note': 'against_sales_invoice',
 			'Journal Entry': 'reference_name',
 			'Payment Entry': 'reference_name',
 			'Payment Request': 'reference_name',
@@ -12,8 +11,8 @@
 			'Purchase Invoice': 'return_against'
 		},
 		'internal_links': {
-			'Purchase Order': ['items', 'sales_order'],
-			'Purchase Receipt': ['items', 'delivery_note'],
+			'Purchase Order': ['items', 'purchase_order'],
+			'Purchase Receipt': ['items', 'purchase_receipt'],
 		},
 		'transactions': [
 			{