Add CASB link

Author: maxvp

src/content/docs/cloudflare-one/applications/casb/index.mdx

@@ -13,7 +13,7 @@ Available for all Zero Trust users.
 Free users can configure up to two CASB integrations. You must upgrade to an Enterprise plan to view the details of a finding instance.
 :::
 
-Cloudflare's API-driven Cloud Access Security Broker (CASB) integrates with SaaS applications and cloud environments to scan for misconfigurations, unauthorized user activity, <GlossaryTooltip term="shadow IT" link="https://www.cloudflare.com/learning/access-management/what-is-shadow-it/">shadow IT</GlossaryTooltip>, and other data security issues that can occur after a user has successfully logged in.
+Cloudflare's API-driven [Cloud Access Security Broker](https://www.cloudflare.com/learning/access-management/what-is-a-casb/) (CASB) integrates with SaaS applications and cloud environments to scan for misconfigurations, unauthorized user activity, <GlossaryTooltip term="shadow IT" link="https://www.cloudflare.com/learning/access-management/what-is-shadow-it/">shadow IT</GlossaryTooltip>, and other data security issues that can occur after a user has successfully logged in.
 
 ## Manage CASB integrations