diff --git a/wallet/v1/msg.proto b/wallet/v1/msg.proto
index f5aa814..7ad9f97 100644
--- a/wallet/v1/msg.proto
+++ b/wallet/v1/msg.proto
@@ -166,7 +166,7 @@ message AssetDiscountRes {
   double static_amount = 4;
   double percentage = 5;
   double max_amount = 6;
-  double discount_amount = 7; // based of asset price and discount amount in req
+  double effective_amount = 7; // based of asset price and discount amount in req
   optional int64 supported_asset = 8;
 }
 
@@ -581,9 +581,9 @@ message BuyAssetReq {
   optional string discount_code = 6;
 }
 
-message DeclineBuyContractReq{
+message DeclineBuyContractReq {
   auth.v1.InternalIAM iam = 1;
-  uint64 aggreement_id = 2;     
+  uint64 aggreement_id = 2;
 }
 
 message ConfirmBuyAssetReq {
@@ -620,7 +620,6 @@ enum ContractType {
   CONTRACT_TYPE_REDEEM = 3;
 }
 
-
 message ContractRes {
   string link = 1;
   uint64 aggreement_id = 2;