[chore] Minor docs tidy.

CONTRIBUTING.md

@@ -13,7 +13,7 @@ Create and activate a virtualenv with the development requirements:
 Get familiarise with [Charmed Operator Framework](https://juju.is/docs/sdk)
 and [Sunbeam documentation](sunbeam-docs).
 
-nova-k8s charm uses the ops_sunbeam library and extends
+nova-k8s charm uses the ops\_sunbeam library and extends
 OSBaseOperatorAPICharm from the library.
 
 nova-k8s charm consumes shared-db relation to connect to database,
@@ -50,9 +50,7 @@ run:
 
 To deploy the local test instance:
 
-    tox -e build
-    juju add-model nova
-    juju deploy ./nova-k8s_ubuntu-20.04-amd64.charm --resource nova-api-image=kolla/ubuntu-binary-nova-api:xena --resource nova-scheduler-image=kolla/ubuntu-binary-nova-scheduler:xena nova-conductor-image=kolla/ubuntu-binary-nova-condcutor:xena 
+    juju deploy ./nova-k8s_ubuntu-20.04-amd64.charm --trust --resource nova-api-image=kolla/ubuntu-binary-nova-api:xena --resource nova-scheduler-image=kolla/ubuntu-binary-nova-scheduler:xena nova-conductor-image=kolla/ubuntu-binary-nova-condcutor:xena
 
 <!-- LINKS -->
 

README.md

@@ -2,8 +2,8 @@
 
 ## Description
 
-The nova-k8s is an operator to manage the nova control services
-on a kubernetes based environment.
+nova-k8s is an operator to manage the Nova API, Conductor and Scheduler
+services on a Kubernetes based environment.
 
 ## Usage
 
@@ -13,8 +13,8 @@ nova-k8s is deployed using below command:
 
     juju deploy nova-k8s nova --trust
 
-Now connect the nova application to an existing database,
-amqp and keystone identity.
+Now connect the nova operator to existing database,
+messaging and keystone identity operators:
 
     juju relate mysql:database nova:shared-db
     juju relate rabbitmq:amqp nova:amqp
@@ -38,15 +38,16 @@ deployed then see file `actions.yaml`.
 
 nova-k8s requires the following relations:
 
-`shared-db`: To connect to the database
-`amqp`: To connect to rabbitmq
-`identity-service`: To register endpoints in keystone
+`shared-db`: To connect to MySQL
+`amqp`: To connect to RabbitMQ
+`identity-service`: To register endpoints in Keystone
 `ingress-internal`: To expose service on underlying internal network
 `ingress-public`: To expose service on public network
 
 ## OCI Images
 
 The charm by default uses following images:
+
     `docker.io/kolla/ubuntu-binary-nova-api:xena`
     `docker.io/kolla/ubuntu-binary-nova-scheduler:xena`
     `docker.io/kolla/ubuntu-binary-nova-conductor:xena`