Highlight query caching on by default (#23448)

* Highlight query caching on by default

* Update src/content/docs/hyperdrive/index.mdx

---------

Co-authored-by: Thomas Gauvin <[email protected]>

Author: vy-ton

src/content/docs/hyperdrive/configuration/query-caching.mdx

@@ -7,7 +7,7 @@ sidebar:
 
 import { TabItem, Tabs } from "~/components";
 
-Hyperdrive automatically caches all cacheable queries executed against your database when query caching is turned on, reducing the need to go back to your database (incurring latency and database load) for every query which can be especially useful for popular queries.
+Hyperdrive automatically caches all cacheable queries executed against your database when query caching is turned on, reducing the need to go back to your database (incurring latency and database load) for every query which can be especially useful for popular queries. Query caching is enabled by default.
 
 ## What does Hyperdrive cache?
 

src/content/docs/hyperdrive/index.mdx

@@ -186,7 +186,7 @@ Hyperdrive allows you to connect to any MySQL database.
 
 <Feature header="Query Caching" href="/hyperdrive/configuration/query-caching/" cta="Learn about Query Caching">
 
-Use Hyperdrive to cache the most popular queries executed against your database.
+Default-on caching for your most popular queries executed against your database.
 
 </Feature>