diff --git a/packages/go-gen/tests/cosmwasm_std__CodeInfoResponse.go b/packages/go-gen/tests/cosmwasm_std__CodeInfoResponse.go
index 16105c3597..54520073a5 100644
--- a/packages/go-gen/tests/cosmwasm_std__CodeInfoResponse.go
+++ b/packages/go-gen/tests/cosmwasm_std__CodeInfoResponse.go
@@ -1,5 +1,5 @@
 type CodeInfoResponse struct {
-	Checksum Checksum `json:"checksum"` // in wasmvm, this is `omitempty`
+	Checksum Checksum `json:"checksum"` // before wasmvm 2.0.0, this was `omitempty` (https://github.com/CosmWasm/wasmvm/issues/471)
 	CodeID   uint64   `json:"code_id"`
 	Creator  string   `json:"creator"`
 }