Merge pull request #539 from yashbhutwala/fix-SetControllerReference-…

…error-message

🐛 fix grammer of error in SetControllerReference

pkg/controller/controllerutil/controllerutil.go

@@ -56,7 +56,7 @@ func newAlreadyOwnedError(Object metav1.Object, Owner metav1.OwnerReference) *Al
 func SetControllerReference(owner, object metav1.Object, scheme *runtime.Scheme) error {
 	ro, ok := owner.(runtime.Object)
 	if !ok {
-		return fmt.Errorf("is not a %T a runtime.Object, cannot call SetControllerReference", owner)
+		return fmt.Errorf("%T is not a runtime.Object, cannot call SetControllerReference", owner)
 	}
 
 	gvk, err := apiutil.GVKForObject(ro, scheme)