diff --git a/proto/opinit/opchild/v1/tx.proto b/proto/opinit/opchild/v1/tx.proto
index 1dd56cac..06f41592 100644
--- a/proto/opinit/opchild/v1/tx.proto
+++ b/proto/opinit/opchild/v1/tx.proto
@@ -115,7 +115,7 @@ message MsgRelayOraclePrices {
   // the sender address
   string sender = 1 [(gogoproto.moretags) = "yaml:\"sender\"", (cosmos_proto.scalar) = "cosmos.AddressString"];
 
-  // from is l1 sender address
+  // oracle prices emitted from l1
   repeated OraclePrice prices = 2 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
 }
 
diff --git a/x/opchild/types/tx.pb.go b/x/opchild/types/tx.pb.go
index b3f779ff..4ef23c2e 100644
--- a/x/opchild/types/tx.pb.go
+++ b/x/opchild/types/tx.pb.go
@@ -205,7 +205,7 @@ var xxx_messageInfo_MsgFinalizeTokenDepositResponse proto.InternalMessageInfo
 type MsgRelayOraclePrices struct {
 	// the sender address
 	Sender string `protobuf:"bytes,1,opt,name=sender,proto3" json:"sender,omitempty" yaml:"sender"`
-	// from is l1 sender address
+	// oracle prices emitted from l1
 	Prices []OraclePrice `protobuf:"bytes,2,rep,name=prices,proto3" json:"prices"`
 }