[Ref Architecture] Fix typo (#18952)

Author: eric-barch

src/content/docs/reference-architecture/index.mdx

@@ -21,7 +21,7 @@ All the documents in this section are designed to help you understand how Cloudf
 
 </Description>
 
-No matter if you know Cloudflare well, or if you are just staring out. These documents help you understand how our connectivity cloud is architectured and how the services can be integrated with your own infrastructure. Read [How to use](/reference-architecture/how-to-use/) to understand how the documentation is structured, and either navigate by type from the menu or [find by solution](/reference-architecture/by-solution/) area.
+No matter if you know Cloudflare well, or if you are just starting out. These documents help you understand how our connectivity cloud is architectured and how the services can be integrated with your own infrastructure. Read [How to use](/reference-architecture/how-to-use/) to understand how the documentation is structured, and either navigate by type from the menu or [find by solution](/reference-architecture/by-solution/) area.
 
 <DirectoryListing />