diff --git a/common/common.pb.go b/common/common.pb.go
index 9a1c403e72..76f8d4d9de 100644
--- a/common/common.pb.go
+++ b/common/common.pb.go
@@ -425,6 +425,7 @@ func (*HeaderData) XXX_OneofWrappers() []interface{} {
 
 type Proof struct {
 	// Types that are valid to be assigned to Proof:
+	//
 	//	*Proof_EthereumProof
 	//	*Proof_BitcoinProof
 	Proof isProof_Proof `protobuf_oneof:"proof"`