Update query-caching.mdx

Author: thomasgauvin

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

@@ -7,7 +7,7 @@ sidebar:
 
 import { TabItem, Tabs } from "~/components";
 
-Hyperdrive automatically caches the most popular queries executed against your database, reducing the need to go back to your database (incurring latency and database load) for every query.
+Hyperdrive automatically caches the all 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.
 
 ## What does Hyperdrive cache?