docs: Incororate Scott's overall review

Change-Id: Ic70a62e17891fa9291a5274400ae89f1d6194b6e
Signed-off-by: John DeNisco <jdenisco@cisco.com>
diff --git a/docs/overview/index.rst b/docs/overview/index.rst
index d3da0e2..8d1e434 100644
--- a/docs/overview/index.rst
+++ b/docs/overview/index.rst
@@ -1,8 +1,14 @@
 .. _overview:
 
-=========================================
+==========
 Overview
-=========================================
+==========
+
+This section discusses the following information:
+
+* What VPP is, what  packet processing provides and the benefits VPP provides
+
+
 
 .. toctree::
    :maxdepth: 1
diff --git a/docs/overview/whatisvpp/dataplane.rst b/docs/overview/whatisvpp/dataplane.rst
index 9113038..256165f 100644
--- a/docs/overview/whatisvpp/dataplane.rst
+++ b/docs/overview/whatisvpp/dataplane.rst
@@ -1,8 +1,10 @@
 .. _packet-processing:
 
-=================
+===================
 Packet Processing
-=================
+===================
+
+This section identifies different components of packet processing and describes their benefits:
 
 * Layer 2 - 4 Network Stack
 
diff --git a/docs/overview/whatisvpp/developer.rst b/docs/overview/whatisvpp/developer.rst
index a0bb2d4..57000d4 100644
--- a/docs/overview/whatisvpp/developer.rst
+++ b/docs/overview/whatisvpp/developer.rst
@@ -4,6 +4,8 @@
 Developer Friendly
 ==================
 
+This section describes the different ways VPP is friendly to developers:
+
 * Extensive runtime counters; throughput, `intructions per cycle <https://en.wikipedia.org/wiki/Instructions_per_cycle>`_, errors, events etc.
 * Integrated pipeline tracing facilities
 * Multi-language API bindings
diff --git a/docs/overview/whatisvpp/fast.rst b/docs/overview/whatisvpp/fast.rst
index b04c12f..9e9e314 100644
--- a/docs/overview/whatisvpp/fast.rst
+++ b/docs/overview/whatisvpp/fast.rst
@@ -4,7 +4,9 @@
 Fast, Scalable and Deterministic
 ================================
 
-* `Continuous integration and system testing <https://wiki.fd.io/view/CSIT#Start_Here>`_
+This section describes the ways that VPP is fast, scalable and deterministic:
+
+* `Continuous integration and system testing (CSIT) <https://wiki.fd.io/view/CSIT#Start_Here>`_
 
   * Including continuous & extensive, latency and throughput testing