Update formatting and clarify registration steps

Author: henikaraa

articles/communication-services/concepts/telephony/prevent_spam_flag.md

@@ -40,18 +40,18 @@ For the full list of applicable Azure Communication Services Terms, you can refe
 
 ## Register in FCR
 
-The [Free Caller Registry](https://www.freecallerregistry.com/fcr/) (FCR) serves as a system for organizations that conduct outbound calls to secure approval for their phone numbers, ensuring they are not incorrectly tagged as “Spam Likely” or “Scam” by mobile service providers. This initiative is backed by leading US vendors (TNS, FirstOrion and Hiya) who develop mechanisms to label incoming calls with a “Spam Likely” indicator.
+The [Free Caller Registry](https://www.freecallerregistry.com/fcr/) (FCR) serves as a system for organizations that conduct outbound calls to secure approval for their phone numbers, ensuring they are not incorrectly tagged as "Spam Likely" or "Scam" by mobile service providers.
 The registry is important for entities dependent on outbound calls for their business activities. It helps to prevent their calls from being intercepted or wrongly marked as spam by carriers or external services. We recommend that customers initiate the process of phone number registration to mitigate this risk.
 
 In order to request registration for an Azure Communication Services number, customers need to work through the following steps:
-1. Visit [Free Caller Registry](https://www.freecallerregistry.com/fcr/) and click on “*Register here*”
+1. Visit [Free Caller Registry](https://www.freecallerregistry.com/fcr/) and click on "*Register here*"
 2. Complete the form with all the details about numbers that customers own and use for public switched telephone network (PSTN) Outbound calls, company’s details as well as expected volume and justification for the request.
-3. Once a customer’s work email has been verified by the platform, he can submit his request.
+3. Once the customer has verified his work email, he can submit his request.
 
 Consider the following points when submitting the registration request:
-- It takes several days to get a response for updating all US-based carriers, to confirm or deny the request. Sometimes the best is also to contact the three providers who are supporting the platform:
-  - First Orion : [email protected]
-  - Hiya : [email protected]
-  - TNS : [email protected]
+- It takes several days to get a response for updating all US-based carriers, confirming or denying the request.. Sometimes the best is also to contact the three providers who are supporting the platform:
+  - First Orion: [email protected]
+  - Hiya: [email protected]
+  - TNS: [email protected]
 - In certain cases, the platform vendors may ask customers to set up an account as part of the application process.
-- Number registration will fix most of the “spam like” flags but it’s not a guarantee against any future flagging, in case customers do not comply with US regulations.
+- Number registration will fix most of the “spam like” flags but it’s not a guarantee against any future flagging. This issue can happen in case customers do not comply with US regulations.