Refine post dashboard convo

Author: SarahSoutoul

docs/guides/organizations/roles-and-permissions.mdx

@@ -91,7 +91,7 @@ You cannot delete a role that is still assigned to members of an organization. C
 
 ## Permissions
 
-Permissions grant users privileged access to resources and operations, like creating and deleting. Clerk supports two types of permissions: **System** and **Custom**.
+Permissions grant users privileged access to resources and operations, like creating and deleting. Clerk supports two types of permissions: **system permissions** and **custom permissions**.
 
 > [!IMPORTANT]
 > In the Clerk Dashboard, permissions appear in the format `<feature>:<permission>`. However, the `org:` prefix is automatically applied under the hood for all organization-scoped permissions. This means that when checking permissions in your code, always include the full key with the prefix (`org:<feature>:<permission>`).