docs: Incororate Scott's overall review

Change-Id: Ic70a62e17891fa9291a5274400ae89f1d6194b6e
Signed-off-by: John DeNisco <jdenisco@cisco.com>
diff --git a/docs/gettingstarted/users/installing/centos.rst b/docs/gettingstarted/users/installing/centos.rst
index bb69eb9..470ca87 100644
--- a/docs/gettingstarted/users/installing/centos.rst
+++ b/docs/gettingstarted/users/installing/centos.rst
@@ -8,7 +8,7 @@
 Update the OS
 -------------
 
-It is probably a good idea to update and upgrade the OS before starting:
+Before starting the repository setup, it is a good idea to first update and upgrade the OS.
 
 .. code-block:: console
 
diff --git a/docs/gettingstarted/users/installing/index.rst b/docs/gettingstarted/users/installing/index.rst
index 7636ec8..6cadae0 100644
--- a/docs/gettingstarted/users/installing/index.rst
+++ b/docs/gettingstarted/users/installing/index.rst
@@ -3,11 +3,10 @@
 .. toctree::
 
 Installing VPP from Packages
-============================
+==============================
 
-If you are simply using vpp, it can be convenient to install the binaries from
-existing packages. This guide will describe how pull, install and run the VPP
-packages.
+If you want to use VPP it can be convenient to install the binaries from
+existing packages. This guide describes how to pull, install and run the VPP packages.
 
 .. toctree::
 
@@ -20,10 +19,13 @@
    packages
 
 Installing VPP Binaries
------------------------
+----------------------------------
+
+This section provides directions on how to Install VPP binaries on Ubuntu, Centos,
+and openSUSE platforms.
 
 Installing on Ubuntu
-^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^
 The following are instructions on how to install VPP on Ubuntu.
 
 .. toctree::
diff --git a/docs/gettingstarted/users/installing/opensuse.rst b/docs/gettingstarted/users/installing/opensuse.rst
index 8e91ebd..b5dcbc3 100644
--- a/docs/gettingstarted/users/installing/opensuse.rst
+++ b/docs/gettingstarted/users/installing/opensuse.rst
@@ -4,17 +4,18 @@
 
 Installing
 ==========
-Top install VPP on openSUSE first pick the following release and execute the appropriate commands.
+To install VPP on openSUSE, first install the following release and then execute
+the appropriate commands.
 
 openSUSE Tumbleweed (rolling release)
--------------------------------------
+------------------------------------------------------------
 
 .. code-block:: console
 
    sudo zypper install vpp vpp-plugins
 
 openSUSE Leap 42.3
-------------------
+--------------------------------
 
 .. code-block:: console
 
diff --git a/docs/gettingstarted/users/installing/packages.rst b/docs/gettingstarted/users/installing/packages.rst
index d67ff60..55ddf05 100644
--- a/docs/gettingstarted/users/installing/packages.rst
+++ b/docs/gettingstarted/users/installing/packages.rst
@@ -1,7 +1,9 @@
 .. _packages:
 
 Packages
-========
+==========
+
+This section identifies the different VPP packages and describes their contents.
 
 .. toctree::
 
diff --git a/docs/gettingstarted/users/installing/ubuntu.rst b/docs/gettingstarted/users/installing/ubuntu.rst
index 9c082e6..5b4a1d8 100644
--- a/docs/gettingstarted/users/installing/ubuntu.rst
+++ b/docs/gettingstarted/users/installing/ubuntu.rst
@@ -3,13 +3,13 @@
 .. toctree::
  
 Ubuntu 16.04 - Setup the fd.io Repository
-=========================================
+==========================================
 
-From the following choose one of the releases to install.
+From the following, choose one of the releases to install.
 
 
 Update the OS
--------------
+-----------------------
 
 It is probably a good idea to update and upgrade the OS before starting
 
@@ -19,7 +19,7 @@
 
 
 Point to the Repository
------------------------
+-----------------------------------
 
 Create a file **"/etc/apt/sources.list.d/99fd.io.list"** with the contents that point to
 the version needed. The contents needed are shown below.
@@ -27,7 +27,7 @@
 .. _install_vpp:
 
 VPP latest Release
-^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^
 
 Create the file **/etc/apt/sources.list.d/99fd.io.list** with contents:
 
@@ -37,7 +37,7 @@
 
 
 VPP stable/1804 Branch
-^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^
 
 Create the file **/etc/apt/sources.list.d/99fd.io.list** with contents:
 
@@ -47,7 +47,7 @@
 
 
 VPP master Branch
-^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^
 
 Create the file **/etc/apt/sources.list.d/99fd.io.list** with contents:
 
@@ -57,7 +57,7 @@
 
 
 Install the Mandatory Packages
-==============================
+===============================
 
 .. code-block:: console
 
@@ -66,7 +66,7 @@
 
 
 Install the Optional Packages
-=============================
+==============================
 
 .. code-block:: console