[Cache] Update get-started.mdx (#22780)

Tiered Cache per product's name. Let's refer here to its docs as well.

Author: nenizera

src/content/docs/cache/get-started.mdx

@@ -43,7 +43,7 @@ Configure your settings to cache static HTML or cache anonymous page views of dy
 
 ## Improve cache HIT rates
 
-Include or exclude query strings, optimize cache keys, or enable tiered cache to improve HIT rates and reduce traffic to your origin.
+Include or exclude query strings, optimize cache keys, or enable [Tiered Cache](/cache/how-to/tiered-cache/) to improve HIT rates and reduce traffic to your origin.
 
 * [Choose a cache level](/cache/how-to/set-caching-levels/)
 * [Enable Tiered Cache with Argo](/cache/how-to/tiered-cache/#enable-tiered-cache)