Add copy to lb command usage

Author: jpignata

cmd/lb.go

@@ -9,6 +9,11 @@ const defaultTargetGroupFormat = "%s-default"
 var lbCmd = &cobra.Command{
 	Use:   "lb",
 	Short: "Manage load balancers",
+	Long: `Manage load balancers
+	
+Load balancers distribute incoming traffic between the tasks within a service
+for HTTP/HTTPS and TCP applications. HTTP/HTTPS load balancers can route to
+multiple services based upon rules you specify when you create a new service.`,
 }
 
 func init() {