Update what-is-cloudflare.mdx (#16933)

* Update what-is-cloudflare.mdx

simplify language

* test concurrency

Author: kodster28

src/content/docs/fundamentals/concepts/what-is-cloudflare.mdx

@@ -38,7 +38,7 @@ Learn how to get started by [creating an account](/fundamentals/setup/account/cr
 
 <RelatedProduct header="Reference Architectures" href="/reference-architecture/" product="reference-architecture">
 
-Learn more about Cloudflare through our Reference Architecture library. These comprehensive guides and diagrams are designed to provide a foundational knowledge of the Cloudflare platform and products.
+Learn more about Cloudflare through the Reference Architecture library. These comprehensive guides and diagrams provide a foundational knowledge of the Cloudflare platform and products.
 
 
 </RelatedProduct>