improve *_HTTP_ROOT descriptions

services/proxy/pkg/config/http.go

@@ -3,7 +3,7 @@ package config
 // HTTP defines the available http configuration.
 type HTTP struct {
 	Addr      string `yaml:"addr" env:"PROXY_HTTP_ADDR" desc:"The bind address of the HTTP service."`
-	Root      string `yaml:"root" env:"PROXY_HTTP_ROOT" desc:"The root path of the HTTP service."`
+	Root      string `yaml:"root" env:"PROXY_HTTP_ROOT" desc:"Subdirectory that serves as the root for this HTTP service."`
 	Namespace string `yaml:"-"`
 	TLSCert   string `yaml:"tls_cert" env:"PROXY_TRANSPORT_TLS_CERT"`
 	TLSKey    string `yaml:"tls_key" env:"PROXY_TRANSPORT_TLS_KEY"`