diff --git a/test/builder/build.go b/test/builder/build.go
index cf450f83316..da5ec2aef2b 100644
--- a/test/builder/build.go
+++ b/test/builder/build.go
@@ -46,6 +46,7 @@ func Build(name, namespace string, ops ...BuildOp) *buildv1alpha1.Build {
 	return build
 }
 
+// BuildLabel adds a label to the Build.
 func BuildLabel(key, value string) BuildOp {
 	return func(build *buildv1alpha1.Build) {
 		if build.ObjectMeta.Labels == nil {
diff --git a/test/builder/owner_reference.go b/test/builder/owner_reference.go
index 7ace12aa40f..3bff56814a4 100644
--- a/test/builder/owner_reference.go
+++ b/test/builder/owner_reference.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2018 The Knative Authors
+Copyright 2019 The Knative Authors
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at