Minor update

Signed-off-by: Karishma Chawla <[email protected]>

docs/release-notes/v0.39.0.md

@@ -14,7 +14,7 @@ If you're new to Radius, check out our website, [radapp.io](https://radapp.io),
 A new `Applications.Dapr/configurationStores` resource type is now available, which adds built-in support in Radius for the [Dapr Configuration](https://docs.dapr.io/getting-started/quickstarts/configuration-quickstart/) building block in Radius. The Dapr Configuration building block allows for dynamic configuration updates, including feature flag management, and is a great addition to the set of supported Dapr features in Radius. To learn more, go to the [Dapr Configuration Store resource schema](https://docs.radapp.io/reference/resource-schema/dapr-schema/configurationstore/) in the Radius documentation.
 
 ### In-memory data store for testing and development
-Radius has added an implementation for an in-memory version of the data store interface, which may be used for testing and development purposes. This helps to speed up and simplify the existing ETC.d and mocking mechanisms that are frequently used today in tests.
+Radius has added an implementation for an in-memory version of the data store interface, which may be used for testing and development purposes, when contributing to Radius. This helps to speed up and simplify the existing ETC.d and mocking mechanisms that are frequently used today in tests.
 
 ## Breaking changes
 None.