diff --git a/pkg/tx/interfaces.go b/pkg/tx/interfaces.go
index 747890ba252..4a146f2ee75 100644
--- a/pkg/tx/interfaces.go
+++ b/pkg/tx/interfaces.go
@@ -228,7 +228,7 @@ type Envelope struct {
 	Data []byte
 	// ChannelHeaderBytes contains the marshalled ChannelHeader of the common.Header
 	ChannelHeaderBytes []byte
-	// ChannelHeaderBytes contains the marshalled SignatureHeader of the common.Header
+	// SignatureHeaderBytes contains the marshalled SignatureHeader of the common.Header
 	SignatureHeaderBytes []byte
 	// ChannelHeader contains the ChannelHeader of this envelope
 	ChannelHeader *common.ChannelHeader