diff --git a/doc/training-guides/common/section_vm-provisioning-walk-through.xml b/doc/training-guides/common/section_vm-provisioning-walk-through.xml
index a08623ab..74ed1609 100644
--- a/doc/training-guides/common/section_vm-provisioning-walk-through.xml
+++ b/doc/training-guides/common/section_vm-provisioning-walk-through.xml
@@ -137,20 +137,20 @@
OpenStack.
Instances are the individual virtual machines running on
physical compute nodes. The OpenStack Compute service manages
- instances. Any number of instances maybe started from the same
+ instances. Any number of instances may be started from the same
image. Each instance is run from a copy of the base image so
runtime changes made by an instance do not change the image it
is based on. Snapshots of running instances may be taken which
create a new image based on the current disk state of a
particular instance.
- When starting an instance a set of virtual resources known
+ When starting an instance, a set of virtual resources known
as a flavor must be selected. Flavors define how many virtual
CPUs an instance has and the amount of RAM and size of its
ephemeral disks. OpenStack provides a number of predefined
flavors which cloud administrators may edit or add to. Users
must select from the set of available flavors defined on their
cloud.
- Additional resources such as persistent volume storage and
+ Additional resources such as persistent volume storage and a
public IP address may be added to and removed from running
instances. The examples below show the cinder-volume service
which provide persistent block storage as opposed to the
@@ -217,10 +217,10 @@
storage rather than local disk. The details are left for later
chapters.
End State
- Once the instance has served its purpose and is deleted
+ Once the instance has served its purpose and is deleted,
all state is reclaimed, except the persistent volume. The
ephemeral storage is purged. Memory and vCPU resources are
- released. And of course the image has remained unchanged
+ released. The image remains unchanged
throughout.
Figure 2.3. End state of image and volume after instance
exits
@@ -236,6 +236,6 @@
going on in the background. To understand what's happening
behind the dashboard, lets take a deeper dive into OpenStack's
VM provisioning. For launching a VM, you can either use
- the command-line interfaces or the OpenStack dashboard.
+ the command-line interface or the OpenStack dashboard.