fix wording 2

Author: boris-bazilevskiy

articles/communication-services/quickstarts/telephony/includes/pstn-call-android.md

@@ -35,7 +35,7 @@ import com.azure.android.communication.common.PhoneNumberIdentifier;
 
 ## Start a call to phone
 
-Specify the phone number you acquired from within your Communication Services resource. This will be used to start the call:
+Specify the phone number you acquired from within your Communication Services resource. This number will be used as a caller id to start the call:
 
 > [!WARNING]
 > Note that phone numbers should be provided in E.164 international standard format. (e.g.: +12223334444)
@@ -59,7 +59,7 @@ Modify `startCall()` event handler in **MainActivity.java**, so that it handles
 
 ## Launch the app and call the echo bot
 
-The app can now be launched using the "Run App" button on the toolbar (Shift+F10). to make a call provide a phone number in the added text field and click the **CALL** button.
+The app can now be launched using the "Run App" button on the toolbar (Shift+F10). To make a call, provide a phone number in the added text field and click the **CALL** button.
 > [!WARNING]
 > Note that phone numbers should be provided in E.164 international standard format. (e.g.: +12223334444)