vale nit

Author: devalog

fern/products/docs/pages/navigation/tabs.mdx

@@ -71,7 +71,7 @@ layout:
 Tab variants let you display different content variations within a single tab, and [support RBAC](/learn/docs/authentication/rbac). This is useful for showing different user types, implementation approaches, or experience levels without creating separate tabs.
 
 <Tip title="When to use variants vs. tabs">
-  Use **variants** for different perspectives on the same content area (REST vs. GraphQL, beginner vs. advanced). Use **tabs** for completely different documentation sections (guides vs. API reference).
+  Use **variants** for different perspectives on the same content area (REST vs. GraphQL, beginner vs. advanced). Use **tabs** for completely different documentation sections (guides vs. API Reference).
 </Tip>
 
 ### Basic usage