Update ca-appointment-reminder-csharp.md

update based on acrolinx feedback

Author: valindrae

articles/communication-services/samples/includes/ca-appointment-reminder-csharp.md

@@ -38,14 +38,14 @@ ms.author: kpunjabi
 Open the appsetting.json file to configure the following settings
 
 1. `ConnectionString`: Azure Communication Service resource's connection string.
-2. `SourcePhone`: Phone number associated with the Azure Communication Service resource. For example "+1425XXXAAAA"
-3. `TargetPhoneNumber`: Target phone number to add in the call. For example "+1425XXXAAAA"
+2. `SourcePhone`: Phone number associated with the Azure Communication Service resource. For example, "+1425XXXAAAA"
+3. `TargetPhoneNumber`: Target phone number to add in the call. For example, "+1425XXXAAAA"
 4. `AppBaseUri`: Base url of the app. (For local development replace the dev tunnel url)
 
 ### Run app locally
 
 1. Run the `CallAutomation_AppointmentReminder` project in debug mode
-2. Browser should pop up with swagger UI. If using Visual studio dev tunnels note the app base url and update it in the appsetting.json file `(AppBaseUri)`
+2. Browser should pop up with swagger UI. If you're using Visual Studio dev tunnels note the app base url and update it in the appsetting.json file `(AppBaseUri)`
 3. To initiate the call, from the swagger ui execute the `/api/call` endpoint or make an Http post request to `https://<AppBaseUri>/api/call`
 
 ### Publish the Call Automation Appointment Reminder to Azure WebApp
@@ -54,7 +54,7 @@ Open the appsetting.json file to configure the following settings
 2. Create a new publish profile and select your app name, Azure subscription, resource group etc. (choose any unique name, as this URL needed for `AppBaseUri` configuration settings)
 3. After publishing, add the following configurations on Azure portal (under app service's configuration section)
 	1. `ConnectionString`: Azure Communication Service resource's connection string.
-	2. `SourcePhone`: Phone number associated with the Azure Communication Service resource. For example "+1425XXXAAAA"
-	3. `TargetPhoneNumber`: Target phone number to add in the call. For example "+1425XXXAAAA"
+	2. `SourcePhone`: Phone number associated with the Azure Communication Service resource. For example, "+1425XXXAAAA"
+	3. `TargetPhoneNumber`: Target phone number to add in the call. For example, "+1425XXXAAAA"
     4. `AppBaseUri`:  URI of the deployed app service.
 4. Detailed instructions on publishing the app to Azure are available at [Publish a Web app](/visualstudio/deployment/quickstart-deploy-aspnet-web-app?view=vs-2019&tabs=azure&preserve-view=true)