diff --git a/src/hooks/screen/Transaction/useTransactionV2.ts b/src/hooks/screen/Transaction/useTransactionV2.ts
index d51be6030..d401aa175 100644
--- a/src/hooks/screen/Transaction/useTransactionV2.ts
+++ b/src/hooks/screen/Transaction/useTransactionV2.ts
@@ -112,7 +112,7 @@ export const useTransaction = <T extends TransactionFormValues = TransactionForm
         setTimeout(() => {
           appModalContext.setConfirmModal({
             visible: true,
-            message: i18n.common.enableChainMessage(chainInfoMap[chain].name),
+            message: i18n.formatString(i18n.common.enableChainMessage, chainInfoMap[chain].name),
             title: i18n.common.enableChain,
             onCancelModal: () => {
               appModalContext.hideConfirmModal();
diff --git a/src/screens/Confirmations/parts/Detail/Substrate/Transaction.tsx b/src/screens/Confirmations/parts/Detail/Substrate/Transaction.tsx
index a14494add..4065fc0d9 100644
--- a/src/screens/Confirmations/parts/Detail/Substrate/Transaction.tsx
+++ b/src/screens/Confirmations/parts/Detail/Substrate/Transaction.tsx
@@ -55,9 +55,11 @@ const mortalityAsString = (era: ExtrinsicEra, hexBlockNumber: string): string =>
   const blockNumber = bnToBn(hexBlockNumber);
   const mortal = era.asMortalEra;
 
-  return i18n.confirmation.lifeTimeContent
-    .replace('{{birth}}', formatNumber(mortal.birth(blockNumber)))
-    .replace('{{death}}', formatNumber(mortal.death(blockNumber)));
+  return i18n.formatString(
+    i18n.confirmation.lifeTimeContent,
+    formatNumber(mortal.birth(blockNumber)),
+    formatNumber(mortal.death(blockNumber)),
+  );
 };
 
 const SubstrateTransactionDetail: React.FC<Props> = (props: Props) => {
diff --git a/src/utils/i18n/en_US.json b/src/utils/i18n/en_US.json
index f2ad86f4c..95be3be71 100644
--- a/src/utils/i18n/en_US.json
+++ b/src/utils/i18n/en_US.json
@@ -908,7 +908,7 @@
     "requestWithAccount": "You are approving a request with account",
     "messageDetail": "Message details",
     "transactionDetail": "Transaction details",
-    "lifeTimeContent": "mortal, valid from {{0}} to {{1}}",
+    "lifeTimeContent": "mortal, valid from {0} to {1}",
     "addNetworkRequest": "Add network request",
     "addTokenRequest": "Add token request",
     "providerUrl": "Provider URL",