diff --git a/i18n/en_us.json b/i18n/en_us.json
index f55a64c..9a063af 100644
--- a/i18n/en_us.json
+++ b/i18n/en_us.json
@@ -14,7 +14,7 @@
   "subtotal": "Subtotal",
   "freight": "Freight",
   "tax": "Tax",
-  "extra": "Extra",
+  "extra": "Card interest",
   "total": "Total",
   "details": "Shipping data",
   "shipped_by": "shipped by:",
diff --git a/i18n/pt_br.json b/i18n/pt_br.json
index 3ae8691..ed54439 100644
--- a/i18n/pt_br.json
+++ b/i18n/pt_br.json
@@ -15,7 +15,7 @@
   "subtotal": "Subtotal",
   "freight": "Frete",
   "tax": "Impostos",
-  "extra": "Extra",
+  "extra": "Juros do Cartão",
   "total": "Total",
   "details": "Detalhes do pedido",
   "shipped_by": "Entrega por:",