fix: modified date was not set
diff --git a/erpnext/accounts/doctype/purchase_taxes_and_charges/purchase_taxes_and_charges.json b/erpnext/accounts/doctype/purchase_taxes_and_charges/purchase_taxes_and_charges.json
index 249e751..f10e984 100644
--- a/erpnext/accounts/doctype/purchase_taxes_and_charges/purchase_taxes_and_charges.json
+++ b/erpnext/accounts/doctype/purchase_taxes_and_charges/purchase_taxes_and_charges.json
@@ -230,7 +230,7 @@
  "idx": 1,
  "istable": 1,
  "links": [],
- "modified": "2021-08-05 20:04:36.618240",
+ "modified": "2021-08-06 20:04:36.618240",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Purchase Taxes and Charges",