diff --git a/guide/english/cloud-development/index.md b/guide/english/cloud-development/index.md
index 8887274ee1..a6ddfb896f 100644
--- a/guide/english/cloud-development/index.md
+++ b/guide/english/cloud-development/index.md
@@ -17,6 +17,8 @@ SaaS is from a end user perspective, meaning that at this layer cloud providers
 ### Platform as a Service
 PaaS is from the service provider perspective, meaning that at this layer the cloud providers will provide us the platform used for developing the applications offered as a SaaS. One good example could be Google App Engine.
 
+### Infrastructure as a Service
+IaaS is from the infrastructure provider perspective, meaning that at this layer the cloud providers will provide us the virtualised resources like CPU, memory and storage on a pay per use basis. One good example could be Amazon EC2.
 
 #### More Information: