correcting doc

Author: sudivate

docs/getting_started.md

@@ -219,9 +219,9 @@ Specify task parameters as it is shown in the table below:
 
 | Parameter          | Value                                                                                               |
 | ------------------ | --------------------------------------------------------------------------------------------------- |
-| Azure Subscription | Subscription used to deploy Web App                                                                 |
+| Azure subscription | Subscription used to deploy Web App                                                                 |
 | App name           | Web App for Containers name                                                                         |
-| Image Name         | Specify the fully qualified container image name. For example, 'myregistry.azurecr.io/nginx:latest' |
+| Image name         | Specify the fully qualified container image name. For example, 'myregistry.azurecr.io/nginx:latest' |
 
 ![release_webapp](./images/release-task-webappdeploy.PNG)