cli: fix typo in -namespace help text (#7225)

command/flags/http.go

@@ -77,7 +77,7 @@ func (f *HTTPFlags) ServerFlags() *flag.FlagSet {
 func (f *HTTPFlags) NamespaceFlags() *flag.FlagSet {
 	fs := flag.NewFlagSet("", flag.ContinueOnError)
 	fs.Var(&f.namespace, "namespace",
-		"Specifies the namespace to query. If not provided, the namespace will be inferred +"+
+		"Specifies the namespace to query. If not provided, the namespace will be inferred "+
 			"from the request's ACL token, or will default to the `default` namespace. "+
 			"Namespaces is a Consul Enterprise feature.")
 	return fs