diff --git a/apis/duck/v1/source_types.go b/apis/duck/v1/source_types.go
index 4ce3eaf60..2f1afe246 100644
--- a/apis/duck/v1/source_types.go
+++ b/apis/duck/v1/source_types.go
@@ -67,7 +67,7 @@ type CloudEventOverrides struct {
 // SourceStatus shows how we expect folks to embed Addressable in
 // their Status field.
 type SourceStatus struct {
-	// inherits duck/v1beta1 Status, which currently provides:
+	// inherits Status, which currently provides:
 	// * ObservedGeneration - the 'Generation' of the Service that was last
 	//   processed by the controller.
 	// * Conditions - the latest available observations of a resource's current
diff --git a/apis/testing/roundtrip/roundtrip.go b/apis/testing/roundtrip/roundtrip.go
index ccc030f7e..1bf34e8c2 100644
--- a/apis/testing/roundtrip/roundtrip.go
+++ b/apis/testing/roundtrip/roundtrip.go
@@ -169,7 +169,7 @@ func roundTripViaHub(t *testing.T, gvk schema.GroupVersionKind, scheme, hubs *ru
 	obj = obj.DeepCopyObject().(convertibleObject)
 
 	if !apiequality.Semantic.DeepEqual(original, obj) {
-		t.Errorf("DeepCopy altered the object, diff: %v", diff(original, obj))
+		t.Errorf("DeepCopy modified the original object (DeepCopy should not have side-effects), diff: %v", diff(original, obj))
 		return
 	}
 
@@ -178,7 +178,7 @@ func roundTripViaHub(t *testing.T, gvk schema.GroupVersionKind, scheme, hubs *ru
 	}
 
 	if !apiequality.Semantic.DeepEqual(original, obj) {
-		t.Errorf("Conversion to hub (%s) alterted the object, diff: %v", hubGVK, diff(original, obj))
+		t.Errorf("Conversion to hub (%s) modified the original object (ConvertFrom should not have side-effects), diff: %v", hubGVK, diff(original, obj))
 		return
 	}