diff --git a/README.md b/README.md
index 331e037..9b3a4f6 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,7 @@ done < /project/hosts
 
 See 
 
-- <a href="http://docs.swarmlab.io/SwarmLab-HowTos/labs/sec/ex-1_iptables.adoc.html" target="_blank">Sec1</a>
+- <a href="http://docs.swarmlab.io/SwarmLab-HowTos/labs/sec/ex-1_iptables.adoc.html" target="_new">Sec1</a>
 - [sec2](http://docs.swarmlab.io/SwarmLab-HowTos/labs/sec/ex-2_iptables.adoc.html){target="_blank"} 
 - [sec3](http://docs.swarmlab.io/SwarmLab-HowTos/labs/sec/ex-3_iptables.adoc.html){target="_blank"} 
 - [sec4](http://docs.swarmlab.io/SwarmLab-HowTos/labs/sec/ex-3a_iptables-flow-chart.adoc.html){target="_blank"}