Merge commit 'refs/pull/4134/head' of https://github.com/magento/magento2 into MAGETWO-56787

setup/src/Magento/Setup/Console/Command/UpgradeCommand.php

@@ -71,7 +71,7 @@ class UpgradeCommand extends AbstractSetupCommand
         $installer->installSchema();
         $installer->installDataFixtures();
         if (!$keepGenerated) {
-            $output->writeln('<info>Please re-run Magento compile command</info>');
+            $output->writeln('<info>Please re-run Magento compile command. Use setup:di:compile</info>');
         }
 
         return \Magento\Framework\Console\Cli::RETURN_SUCCESS;