improve *_HTTP_ROOT descriptions

services/settings/pkg/config/http.go

@@ -4,7 +4,7 @@ package config
 type HTTP struct {
 	Addr      string `yaml:"addr" env:"SETTINGS_HTTP_ADDR" desc:"The bind address of the HTTP service."`
 	Namespace string `yaml:"-"`
-	Root      string `yaml:"root" env:"SETTINGS_HTTP_ROOT" desc:"The root path of the HTTP service."`
+	Root      string `yaml:"root" env:"SETTINGS_HTTP_ROOT" desc:"Subdirectory that serves as the root for this HTTP service."`
 	CacheTTL  int    `yaml:"cache_ttl" env:"SETTINGS_CACHE_TTL" desc:"Browser cache control max-age value in seconds for settings Web UI assets."`
 	CORS      CORS   `yaml:"cors"`
 }