diff --git a/led.cpp b/led.cpp
index b13e95c..dd0bff6 100644
--- a/led.cpp
+++ b/led.cpp
@@ -67,7 +67,11 @@ int main(int argc, char* argv[]){
 		if(cmd=="on")leds[i].TurnOn();
 		else if(cmd=="off")leds[i].TurnOff();
 		else if(cmd=="blink")leds[i].blink();
-		else{std::cout << "comando invalido" << std::endl;}	
+		else{std::cout << "comando invalido" << std::endl;
+		 std::cout << "Para encender el LED utilice: ./leds on" << std::endl;
+         std::cout << "Para apagar el LED utilice: ./leds off" << std::endl;
+         std::cout << "Para hacer parpadear el LED utilice: sudo ./leds blink" << std::endl;
+		}	
 	}	
 	std::cout << "programa terminado" << std::endl;
 	return 0;