diff --git a/erpnext/patches/v4_0/map_charge_to_taxes_and_charges.py b/erpnext/patches/v4_0/map_charge_to_taxes_and_charges.py
index ad043dd99d..97e217aa05 100644
--- a/erpnext/patches/v4_0/map_charge_to_taxes_and_charges.py
+++ b/erpnext/patches/v4_0/map_charge_to_taxes_and_charges.py
@@ -5,11 +5,11 @@ from __future__ import unicode_literals
 import frappe
 
 def execute():
-	# udpate sales cycle
+	# update sales cycle
 	for d in ['Sales Invoice', 'Sales Order', 'Quotation', 'Delivery Note']:
 		frappe.db.sql("""update `tab%s` set taxes_and_charges=charge""" % d)
 
-	# udpate purchase cycle
+	# update purchase cycle
 	for d in ['Purchase Invoice', 'Purchase Order', 'Supplier Quotation', 'Purchase Receipt']:
 		frappe.db.sql("""update `tab%s` set taxes_and_charges=purchase_other_charges""" % d)