format updates to the comparison table

Author: halkazwini

articles/frontdoor/front-door-cdn-comparison.md

@@ -33,16 +33,16 @@ The following table provides a comparison between Azure Front Door and Azure CDN
 | Static file delivery | ✓ | ✓ | ✓ | ✓ |
 | Dynamic site delivery | ✓ | ✓ | ✓ |  |
 | **Domains and certs** | | | | |
-| Custom domains | ✓ - DNS TXT record based domain validation | ✓ - DNS TXT record based domain validation | ✓ - CNAME based validation | ✓ - CNAME based validation |
-| Prevalidated domain integration with Azure PaaS Service | ✓ | ✓ |  |  |
+| Custom domains | ✓ (DNS TXT record based domain validation) | ✓ (DNS TXT record based domain validation) | ✓ (CNAME based validation) | ✓ (CNAME based validation) |
+| Prevalidated domain integration with Azure PaaS service | ✓ | ✓ |  |  |
 | HTTPS support | ✓ | ✓ | ✓ | ✓ |
 | Custom domain HTTPS | ✓ | ✓ | ✓ | ✓ |
 | Bring your own certificate | ✓ | ✓ | ✓ | ✓ |
-| Supported TLS Versions | TLS1.3, TLS1.2, TLS1.0 | TLS1.3 TLS1.2, TLS1.0 | TLS1.3, TLS1.2, TLS1.0 | TLS1.3, TLS 1.2, TLS 1.0/1.1 |
+| Supported TLS versions | TLS1.3, TLS1.2, TLS1.0 | TLS1.3 TLS1.2, TLS1.0 | TLS1.3, TLS1.2, TLS1.0 | TLS1.3, TLS 1.2, TLS 1.0/1.1 |
 | **Caching** | | | | |
 | Query string caching | ✓ | ✓ | ✓ | ✓ |
 | Cache management (purge, rules, and compression) | ✓ | ✓ | ✓ | ✓ |
-| Cache behavior settings | ✓ - using standard rules engine | ✓ - using standard rules engine | ✓ - using standard rules engine | ✓ - using standard rules engine |
+| Cache behavior settings | ✓ (using standard rules engine) | ✓ (using standard rules engine) | ✓ (using standard rules engine) | ✓ (using standard rules engine) |
 | **Routing** | | | | |
 | Origin load balancing | ✓ | ✓ | ✓ | ✓ |
 | Path based routing | ✓ | ✓ | ✓ | ✓ |
@@ -53,20 +53,20 @@ The following table provides a comparison between Azure Front Door and Azure CDN
 | IPv4/IPv6 dual-stack | ✓ | ✓ | ✓ | ✓ |
 | HTTP/2 support | ✓ | ✓ | ✓ | ✓ |
 | Routing preference unmetered | Not required as Data transfer from Azure origin to AFD is free and path is directly connected | Not required as Data transfer from Azure origin to AFD is free and path is directly connected | Not required as Data transfer from Azure origin to AFD is free and path is directly connected | Not required as Data transfer from Azure origin to CDN is free and path is directly connected |
-| Origin Port | All TCP ports | All TCP ports | All TCP ports | All TCP ports |
+| Origin port | All TCP ports | All TCP ports | All TCP ports | All TCP ports |
 | Customizable, rules based content delivery engine | ✓ | ✓ | ✓ | ✓ using Standard rules engine |
 | Mobile device rules | ✓ | ✓ | ✓ | ✓ using Standard rules engine |
 | **Security** | | | | |
 | Custom Web Application Firewall (WAF) rules | ✓ | ✓ | ✓ |  |
-| Microsoft managed rule set |  | ✓ | ✓ - Only default rule set 1.1 or less |  |
-| Bot protection |  | ✓ | ✓ - Only bot manager rule set 1.0 |  |
-| Private link connection to origin |  | ✓ |  |  |
+| Microsoft managed rule set |  | ✓ | ✓ (only default rule set 1.1 or less) |  |
+| Bot protection |  | ✓ | ✓ (only bot manager rule set 1.0) |  |
+| Private Link connection to origin |  | ✓ |  |  |
 | Geo-filtering | ✓ | ✓ | ✓ | ✓ |
-| DDOS protection | ✓ | ✓ | ✓ | ✓ |
-| Domain Fronting Block | ✓ | ✓ | ✓ | ✓ |
+| DDoS protection | ✓ | ✓ | ✓ | ✓ |
+| Domain fronting block | ✓ | ✓ | ✓ | ✓ |
 | **Analytics and reporting** | | | | |
-| Monitoring Metrics | ✓ (more metrics than Classic) | ✓ (more metrics than Classic) | ✓ | ✓ |
-| Advanced analytics/built-in reports | ✓ | ✓ - includes WAF report |  |  |
+| Monitoring metrics | ✓ (more metrics than Classic) | ✓ (more metrics than Classic) | ✓ | ✓ |
+| Advanced analytics/built-in reports | ✓ | ✓ (includes WAF report) |  |  |
 | Raw logs - access logs and WAF logs | ✓ | ✓ | ✓ | ✓ |
 | Health probe log | ✓ | ✓ |  |  |
 | **Ease of use** | | | | |
@@ -77,7 +77,7 @@ The following table provides a comparison between Azure Front Door and Azure CDN
 | Azure Policy integration | ✓ | ✓ | ✓ |  |
 | Azure Advisory integration | ✓ | ✓ |  | ✓ |
 | Managed Identities with Azure Key Vault | ✓ | ✓ |  |  |
-| **Pricing** | [Azure Front Door pricing](https://azure.microsoft.com/pricing/details/frontdoor/) | | | [Azure CDN pricing](https://azure.microsoft.com/pricing/details/cdn/) |
+| **Pricing** | [Azure Front Door pricing](https://azure.microsoft.com/pricing/details/frontdoor/) | [Azure Front Door pricing](https://azure.microsoft.com/pricing/details/frontdoor/) | [Azure Front Door pricing](https://azure.microsoft.com/pricing/details/frontdoor/)| [Azure CDN pricing](https://azure.microsoft.com/pricing/details/cdn/) |
 | Simplified pricing | ✓ | ✓ |  | ✓ |
 
 ## Services on retirement path