Adjust heading and hyperlinks text

Author: RebeccaTamachiro

src/content/docs/ssl/client-certificates/index.mdx

@@ -35,13 +35,13 @@ The account-level CA can be either:
 
 (Intro blurb and new link out to LP)
 
-- [App security implementation guide](/learning-paths/mtls/mtls-app-security/)
-- [API Shield](/api-shield/security/mtls/configure/)
-- [Access](/cloudflare-one/identity/devices/access-integrations/mutual-tls-authentication/)
-- [Workers](/workers/runtime-apis/bindings/mtls/)
+- [Application security](/learning-paths/mtls/mtls-app-security/)
+- [mTLS Access integration](/cloudflare-one/identity/devices/access-integrations/mutual-tls-authentication/)
+- [mTLS with API Shield](/api-shield/security/mtls/configure/)
+- [mTLS Workers binding](/workers/runtime-apis/bindings/mtls/)
 
 ---
 
-## Further resources
+## Resources
 
 <DirectoryListing />