Write caching better

docs/data/toolpad/core/components/crud/crud.md

@@ -291,7 +291,9 @@ Data sources cache fetched data by default. This means that if the user queries
 
 Successfully calling mutation methods such as `createOne`, `updateOne` or `deleteOne` automatically clears the cache for all queries in the same data source.
 
-It is recommended to always pass an instance of `DataSourceCache` to the `dataSourceCache` prop in order to cache data, as seen in the [demo above](#demo), otherwise by default the cache will be scoped to the component being used. `DataSourceCache` is a simple in-memory cache that stores the data in a plain object.
+It is recommended to always include the `dataSourceCache` prop in order to cache data at the scope of whole application, otherwise by default the cache will only be scoped to the component being used.
+
+An instance of `DataSourceCache` may be used for caching as seen in the [demo above](#demo). `DataSourceCache` is a simple in-memory cache that stores the data in a plain object.
 
 Each data source should have its own single cache instance across the whole application.