diff --git a/cmd/nfd-worker/main.go b/cmd/nfd-worker/main.go
index cc4b9da142..ea11203503 100644
--- a/cmd/nfd-worker/main.go
+++ b/cmd/nfd-worker/main.go
@@ -140,7 +140,7 @@ func initFlags(flagset *flag.FlagSet) (*worker.Args, *worker.ConfigOverrideArgs)
 		"NFD server address to connecto to."+
 			" DEPRECATED: will be removed in a future release along with the deprecated gRPC API.")
 	flagset.StringVar(&args.ServerNameOverride, "server-name-override", "",
-		"Hostname expected from server certificate, useful in testing"+
+		"Hostname expected from server certificate, useful in testing."+
 			" DEPRECATED: will be removed in a future release along with the deprecated gRPC API.")
 
 	initKlogFlags(flagset, args)