diff --git a/pkg/sources/v1alpha2/apiserver_client.go b/pkg/sources/v1alpha2/apiserver_client.go
index bde890a673..3f66511c6d 100644
--- a/pkg/sources/v1alpha2/apiserver_client.go
+++ b/pkg/sources/v1alpha2/apiserver_client.go
@@ -183,6 +183,7 @@ func (b *APIServerSourceBuilder) Sink(sink duckv1.Destination) *APIServerSourceB
 	return b
 }
 
+// CloudEventOverrides adds given Cloud Event override extensions map to source spec
 func (b *APIServerSourceBuilder) CloudEventOverrides(ceo map[string]string, toRemove []string) *APIServerSourceBuilder {
 	if ceo == nil && len(toRemove) == 0 {
 		return b
diff --git a/pkg/sources/v1alpha2/ping_client.go b/pkg/sources/v1alpha2/ping_client.go
index 70d13692f0..daf84efda1 100644
--- a/pkg/sources/v1alpha2/ping_client.go
+++ b/pkg/sources/v1alpha2/ping_client.go
@@ -151,6 +151,7 @@ func (b *PingSourceBuilder) Sink(sink duckv1.Destination) *PingSourceBuilder {
 	return b
 }
 
+// CloudEventOverrides adds given Cloud Event override extensions map to source spec
 func (b *PingSourceBuilder) CloudEventOverrides(ceo map[string]string, toRemove []string) *PingSourceBuilder {
 	if ceo == nil && len(toRemove) == 0 {
 		return b