Update introduction.rst

introduction.rst

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 Introduction to Netris
 ======================
 
-Netris is a software for operating physical networks like it is a cloud. Netris automatically configures switching, routing, load-balancing, and network security based on user-defined services and policies. Netris continuously monitors the network’s health and either applies software remediation or informs you of necessary actions if human intervention is required. Netris abstracts away the complexities of detailed network configuration, letting you perform efficiently by operating your physical network in a top down approach like a cloud – instead of the legacy box by box operation.
+Netris is a network automation and abstraction software for cloud builders. Netris brings cloud-like VPC abstractions for operating physical networks like it is a cloud. Netris automatically configures switching, routing, load-balancing, and network security based on user-defined services and policies. Netris continuously monitors the network’s health and either applies software remediation or informs you of necessary actions if human intervention is required. Netris abstracts away the complexities of detailed network configuration, letting you perform efficiently by operating your physical network in a top down approach like a cloud – instead of the legacy box by box operation.
 
-.. image:: images/netris_concept.png
+.. image:: images/private-cloud-enterprise-dc-2.png
     :align: center