Wording improvements

Docker-DCO-1.1-Signed-off-by: John Gardiner Myers <jgmyers@proofpoint.com> (github: johngmyers)

docs/sources/use/networking.rst

@@ -8,7 +8,7 @@ Configure Networking
 
 Docker uses Linux bridge capabilities to provide network connectivity
 to containers. The ``docker0`` bridge interface is managed by Docker
-itself for this purpose. Thus, when the Docker daemon starts it :
+for this purpose. When the Docker daemon starts it :
 
 - creates the ``docker0`` bridge if not present
 - searches for an IP address range which doesn't overlap with an existing route
@@ -34,7 +34,7 @@ At runtime, a :ref:`specific kind of virtual
 interface<vethxxxx-device>` is given to each container which is then
 bonded to the ``docker0`` bridge.  Each container also receives a
 dedicated IP address from the same range as ``docker0``. The
-``docker0`` IP address is then used as the default gateway for the
+``docker0`` IP address is used as the default gateway for the
 container.
 
 .. code-block:: bash
@@ -55,8 +55,8 @@ which is dedicated to the 52f811c5d3d6 container.
 How to use a specific IP address range
 ---------------------------------------
 
-Docker will try hard to find an IP range which is not used by the
-host.  Even if it works for most cases, it's not bullet-proof and
+Docker will try hard to find an IP range that is not used by the
+host.  Even though it works for most cases, it's not bullet-proof and
 sometimes you need to have more control over the IP addressing scheme.
 
 For this purpose, Docker allows you to manage the ``docker0`` bridge
@@ -118,25 +118,25 @@ In this scenario:
 Container intercommunication
 -------------------------------
 
-Containers can communicate with each other according to the ``icc``
-parameter value of the Docker daemon.
+The value of the Docker daemon's ``icc`` parameter determines whether
+containers can communicate with each other over the bridge network.
 
 - The default, ``-icc=true`` allows containers to communicate with each other.
 - ``-icc=false`` means containers are isolated from each other.
 
-Under the hood, ``iptables`` is used by Docker to either accept or
+Docker uses ``iptables`` under the hood to either accept or
 drop communication between containers.
 
 
 .. _vethxxxx-device:
 
-What's about the vethXXXX device?
+What is the vethXXXX device?
 -----------------------------------
 Well. Things get complicated here.
 
 The ``vethXXXX`` interface is the host side of a point-to-point link
 between the host and the corresponding container; the other side of
-the link being materialized by the container's ``eth0``
+the link is the container's ``eth0``
 interface. This pair (host ``vethXXX`` and container ``eth0``) are
 connected like a tube. Everything that comes in one side will come out
 the other side.