[Radar] Update changelog

Author: andre-j3sus

src/content/changelog/radar/2025-08-04-radar-ct-insights.mdx

@@ -14,9 +14,9 @@ The following API endpoints are now available:
 - [`/api/v1/ct/summary/{dimension}`](/api/resources/radar/subresources/ct/methods/summary/): Retrieves certificate distribution by dimension.
 - [`/api/v1/ct/timeseries_groups/{dimension}`](/api/resources/radar/subresources/ct/methods/timeseries_groups/): Retrieves time series of certificate distribution by dimension.
 - [`/api/v1/ct/authorities`](/api/resources/radar/subresources/ct/methods/authorities/): Lists certification authorities.
-- [`/api/v1/ct/authorities/{ca_slug}`](/api/resources/radar/subresources/ct/methods/authorities/): Retrieves details about a certification authority. Certification Authority information is derived from the [Common CA Database (CCADB)](https://www.ccadb.org/).
+- [`/api/v1/ct/authorities/{ca_slug}`](/api/resources/radar/subresources/ct/methods/authorities/): Retrieves details about a Certification Authority (CA). CA information is derived from the [Common CA Database (CCADB)](https://www.ccadb.org/).
 - [`/api/v1/ct/logs`](/api/resources/radar/subresources/ct/methods/logs/): Lists CT logs.
-- [`/api/v1/ct/logs/{log_slug}`](/api/resources/radar/subresources/ct/methods/logs/): Retrieves details about a CT log (from Google Chrome log list). CT log information is derived from the [Google Chrome log list](https://googlechrome.github.io/CertificateTransparency/log_lists.html).
+- [`/api/v1/ct/logs/{log_slug}`](/api/resources/radar/subresources/ct/methods/logs/): Retrieves details about a CT log. CT log information is derived from the [Google Chrome log list](https://googlechrome.github.io/CertificateTransparency/log_lists.html).
 
 For the `summary` and `timeseries_groups` endpoints, the following dimensions are available (and also usable as filters):
 
@@ -25,14 +25,14 @@ For the `summary` and `timeseries_groups` endpoints, the following dimensions ar
 - `duration`: Certificate validity duration (between NotBefore and NotAfter dates)
 - `entry_type`: Entry type (certificate vs. pre-certificate)
 - `expiration_status`: Expiration status (valid vs. expired)
-- `has_ips`: Presence of IP addresses
-- `has_wildcards`: Presence of wildcards
-- `log`: CT log
+- `has_ips`: Presence of IP addresses in certificate [Subject Alternative Names (SANs)](https://developers.cloudflare.com/ssl/origin-configuration/origin-ca/#hostname-and-wildcard-coverage)
+- `has_wildcards`: Presence of wildcard DNS names in certificate SANs
+- `log`: CT log name
 - `log_api`: CT log API ([RFC6962](https://datatracker.ietf.org/doc/html/rfc6962) vs. [Static](https://c2sp.org/static-ct-api))
 - `log_operator`: CT log operator
-- `public_key_algorithm`: Public key algorithm
-- `signature_algorithm`: Signature algorithm
-- `tld`: Top-level domain
-- `validation_level`: Validation level
+- `public_key_algorithm`: Public key algorithm of certificate's key
+- `signature_algorithm`: Signature algorithm used by CA to sign certificate
+- `tld`: Top-level domain for DNS names found in certificates SANs
+- `validation_level`: [Validation level](https://www.cloudflare.com/learning/ssl/types-of-ssl-certificates/)
 
 Learn more about the new Certificate Transparency insights in our [blog post](https://blog.cloudflare.com/new-ct-section-on-cloudflare-radar/), and check out the [new Radar page](https://radar.cloudflare.com/certificate-transparency).