docs: grammar police raid
Edit the front-page intro text. Fix egregious grammar errors,
including an "it's" vs. "its" blunder.
Type: docs
FD.io VPP
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-FD.io Vector Packet Processing (VPP) is a fast, scalable and multi-platform network stack.
+FD.io Vector Packet Processing (VPP) is a fast, scalable layer 2-4
+multi-platform network stack. VPP supports integration with OpenStack
+and Kubernetes. Network management features include configuration,
+counters and sampling. Development tools include plugin extensibility,
+high-performance event-logging, multiple kinds of packet tracing;
+debug images include extensive consistency checking.
-FD.io VPP is, at it's core, a scalable layer 2-4 network stack.
-It supports integration into both Open Stack and Kubernetes environments.
-It supports network management features including configuration, counters and sampling.
-It supports extending with plugins, tracing and debugging.
-It supports use cases such as vSwitch, vRouter, Gateways, Firewalls and Load Balancers, to name but a few.
-Finally it is useful both a software development kit or an appliance out of the box.
+Use-cases include vSwitch, vRouter, Gateways, Firewalls and Load
+Balancers, to name several. Out of the box, VPP works as a software
+development kit or an appliance.
.. toctree::
:maxdepth: 2
