diff --git a/cmd/kaniko-docker/main.go b/cmd/kaniko-docker/main.go
index cc2d7e6..3578fd0 100644
--- a/cmd/kaniko-docker/main.go
+++ b/cmd/kaniko-docker/main.go
@@ -209,6 +209,7 @@ func run(c *cli.Context) error {
 			return err
 		}
 	} else if !noPush || username != "" {
+		// setup auth when pushing or credentials are defined and docker config override is false
 		if err := createDockerCfgFile(username, c.String("password"), c.String("registry")); err != nil {
 			return err
 		}