Unify the wording in README for examples (#42)

* update readme

* add colon

* rename sample to example

* update

* update

* update

Author: zhiyuanliang-ms

examples/README.md

@@ -4,18 +4,18 @@ These examples show how to use the JavaScript Provider for Azure App Configurati
 
 ## Prerequisites
 
-The sample programs are compatible with [LTS versions of Node.js](https://github.com/nodejs/release#release-schedule).
+The examples are compatible with [LTS versions of Node.js](https://github.com/nodejs/release#release-schedule).
 
-You need [an Azure subscription](https://azure.microsoft.com/free/) and the following Azure resources to run these sample programs:
+You need [an Azure subscription](https://azure.microsoft.com/free/) and the following Azure resources to run the examples:
 
 - [Azure App Configuration store](https://learn.microsoft.com/en-us/azure/azure-app-configuration/quickstart-azure-app-configuration-create?tabs=azure-portal)
 
-Samples retrieve credentials to access your App Configuration store from environment variables.
+The examples retrieve credentials to access your App Configuration store from environment variables.
 Alternatively, edit the source code to include the appropriate credentials.
-See each individual sample for details on which environment variables/credentials it requires to function.
+See each individual example for details on which environment variables/credentials it requires to function.
 
 ## Add a key-value
-Add the following key-value to the App Configuration store and leave Label and Content Type with their default values. For more information about how to add key-values to a store using the Azure portal or the CLI, go to [Create a key-value](./quickstart-azure-app-configuration-create.md#create-a-key-value).
+Add the following key-value to the App Configuration store and leave **Label** and **Content Type** with their default values. For more information about how to add key-values to a store using the Azure portal or the CLI, go to [Create a key-value](./quickstart-azure-app-configuration-create.md#create-a-key-value).
 
 | Key                    | Value          |
 |------------------------|----------------|
@@ -33,14 +33,14 @@ To run the examples using the published version of the package:
 
 2. There are two ways to run the examples using correct credentials:
 
-    - Edit the file `.env.template`, adding the access keys to your App Configuration store. and rename the file from `.env.template` to just `.env`. The example programs will read this file automatically.
+    - Edit the file `.env.template`, adding the access keys to your App Configuration store. and rename the file from `.env.template` to just `.env`. The examples will read this file automatically.
 
     - Alternatively, you can set the environment variables to the access keys to your App Configuration store. In this case, setting up the `.env` file is not required. 
         ```bash
         npx cross-env APPCONFIG_CONNECTION_STRING="<appconfig connection string>" 
         ```
 
-3. Run the example:
+3. Run the examples:
     ```bash
     node helloworld.mjs
     ```