better error message

Author: interma

pkg/source/source.go

@@ -83,7 +83,8 @@ func (ks *Kind) Start(handler handler.EventHandler, queue workqueue.RateLimiting
 	if err != nil {
 		switch err.(type) {
 		case *meta.NoKindMatchError:
-			return fmt.Errorf("must install CRD %s before calling Start", err.(*meta.NoKindMatchError).GroupKind)
+			return fmt.Errorf("%s. Note: if %s is a CRD, should install it before calling Start",
+				err, err.(*meta.NoKindMatchError).GroupKind)
 		default:
 			return err
 		}