Change server to runtime or instance (#209)

* Change server to runtime or instance

* Update README.adoc

* Rerun test

Author: gkwan-ibm

README.adoc

@@ -272,7 +272,7 @@ The template contains a [hotspot=artistsDiv]`div` element that is enumerated by
 
 == Building the front end
 
-The Open Liberty server is already started, and the REST service is running. In a new command-line session, build the front end by running the following command in the `start` directory:
+The Open Liberty instance is already started, and the REST service is running. In a new command-line session, build the front end by running the following command in the `start` directory:
 
 // Static guide instruction
 ifndef::cloud-hosted[]
@@ -331,7 +331,7 @@ ifdef::cloud-hosted[]
 Whenever you change and build your Angular implementation, the changes are automatically reflected at the URL for the launched application.
 endif::[]
 
-When you are done checking the application root, exit dev mode by pressing `CTRL+C` in the command-line session where you ran the server, or by typing `q` and then pressing the `enter/return` key.
+When you are done checking the application root, exit dev mode by pressing `CTRL+C` in the command-line session where you ran the Liberty, or by typing `q` and then pressing the `enter/return` key.
 
 Although the Angular application that this guide shows you how to build is simple, when you build more complex Angular applications, testing becomes a crucial part of your development lifecycle. If you need to write test cases, follow the official unit testing and end-to-end testing documentation on the https://angular.io/guide/testing[official Angular page^].