diff --git a/i18n/ru.po b/i18n/ru.po
index 904180b..1db272c 100644
--- a/i18n/ru.po
+++ b/i18n/ru.po
@@ -507,7 +507,7 @@ msgid "Person, who represents company"
 msgstr "Представитель компании"
 
 #. module: client_contracts
-#: model:ir.model.fields,field_description:client_contracts.field_res_partner_contract_annex_prepaid_expance
+#: model:ir.model.fields,field_description:client_contracts.field_res_partner_contract_annex_prepaid_expence
 msgid "Prepaid Expence"
 msgstr "Аванс"
 
diff --git a/models/res_partner_contract_annex.py b/models/res_partner_contract_annex.py
index 358e33f..914af3c 100644
--- a/models/res_partner_contract_annex.py
+++ b/models/res_partner_contract_annex.py
@@ -15,7 +15,7 @@ class ContractOrderAnnex(models.Model):
     date_conclusion = fields.Date(
         string="Conclusion Date", default=fields.Date.today(),
     )
-    prepaid_expance = fields.Float(string="Prepaid Expence", default=0)
+    prepaid_expence = fields.Float(string="Prepaid Expence", default=0)
     delivery_time = fields.Integer(related="order_id.delivery_time", readonly=True,)
     payment_term = fields.Many2one(
         "account.payment.term", related="order_id.payment_term_id", readonly=True,