diff --git a/README.md b/README.md
index 4b08071..c3f0f1d 100644
--- a/README.md
+++ b/README.md
@@ -19,10 +19,18 @@ Pruebas de  creación de un grupo de clusters con raspberry pi y orange pi
 
 Maquina | Descripcion | usuario |  ip | host |
 :------------ | :-------------|  :------------- | :-------------| :-------------
-mdc_mq1 | RaspberryPi 3| pi | 192.168.1.105 | mdc_mq1
-mdc_mq2 | RaspberryPi 2| pi | 192.168.1.171 | mdcmq2
-mdc_mq3 | OrangePi PC| mdcmq3 | 192.168.1.172 | mdcmq3
-mdc_mq4 | OrangePi PC| mdcmq4 | 192.168.1.173 | mdcmq4
+mdc_mq1 | RaspberryPi 3| mdchaparror | 192.168.1.105 | mdc_mq1
+mdc_mq2 | RaspberryPi 2| mdchaparror | 192.168.1.171 | cluster_slave2
+mdc_mq3 | OrangePi PC| mdchaparror | 192.168.1.172 | cluster_master
+mdc_mq4 | OrangePi PC| mdchaparror | 192.168.1.173 | cluster_slave1
+
+    sudo nano /etc/hosts
+
+```
+192.168.1.172 clustermaster
+192.168.1.173 cluster_slave1
+192.168.1.171 cluster_slave2
+```
 
 ### Especificación OrangePi PC
 
@@ -98,3 +106,4 @@ Weight | 38g
 ## Referencias
 [http://www.orangepi.org/orangepipc/](http://www.orangepi.org/orangepipc/)
 [https://www.armbian.com/orange-pi-pc/](https://www.armbian.com/orange-pi-pc/)
+[http://bailiwick.io/2015/07/07/create-your-own-apache-spark-cluster-using-raspberry-pi-2/](http://bailiwick.io/2015/07/07/create-your-own-apache-spark-cluster-using-raspberry-pi-2/)