diff --git a/modules/caddyhttp/reverseproxy/command.go b/modules/caddyhttp/reverseproxy/command.go
index a5939a2a..4a6739e5 100644
--- a/modules/caddyhttp/reverseproxy/command.go
+++ b/modules/caddyhttp/reverseproxy/command.go
@@ -55,7 +55,7 @@ from its original incoming value to the address of the upstream. (Otherwise, by
 default, all incoming headers are passed through unmodified.)
 `,
 		Flags: func() *flag.FlagSet {
-			fs := flag.NewFlagSet("file-server", flag.ExitOnError)
+			fs := flag.NewFlagSet("reverse-proxy", flag.ExitOnError)
 			fs.String("from", "localhost", "Address on which to receive traffic")
 			fs.String("to", "", "Upstream address to which to to proxy traffic")
 			fs.Bool("change-host-header", false, "Set upstream Host header to address of upstream")