--- a/cmd/oauth2.go	Sat Sep 29 18:09:54 2018 +0200
+++ b/cmd/oauth2.go	Sun Jan 13 12:28:07 2019 +0100
@@ -47,7 +47,7 @@
 		},
 	},
 	&cobra.Command{
-		Use:   "code",
+		Use:   "code CODE",
 		Short: "Log in with OAuth2 code",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return oAuth2ExchangeCode(args)