[fix] Period closing account should be of type Liability / Equity
diff --git a/erpnext/accounts/doctype/period_closing_voucher/period_closing_voucher.py b/erpnext/accounts/doctype/period_closing_voucher/period_closing_voucher.py
index 4558879..d22f4d3 100644
--- a/erpnext/accounts/doctype/period_closing_voucher/period_closing_voucher.py
+++ b/erpnext/accounts/doctype/period_closing_voucher/period_closing_voucher.py
@@ -23,8 +23,8 @@
 	def validate_account_head(self):
 		closing_account_type = frappe.db.get_value("Account", self.closing_account_head, "root_type")
 
-		if closing_account_type != "Liability":
-			frappe.throw(_("Closing Account {0} must be of type 'Liability'")
+		if closing_account_type not in ["Liability", "Equity"]:
+			frappe.throw(_("Closing Account {0} must be of type Liability / Equity")
 				.format(self.closing_account_head))
 
 		account_currency = get_account_currency(self.closing_account_head)