Update firebase-dataconnect/CHANGELOG.md

Co-authored-by: rachelsaunders <[email protected]>

Author: dconeybe

firebase-dataconnect/CHANGELOG.md

@@ -3,5 +3,5 @@
   [get started](https://firebase.google.com/docs/data-connect/android-sdk)
   with the SDK in your app.
 * [feature] Added ability to specify `SerializersModule` when serializing.
-* [feature] CallerSdkType added, to enable tracking generated SDK usage.
+* [feature] Added `CallerSdkType`, which enables tracking of the generated SDK usage.
 * [changed] Changed gRPC proto package to v1beta (was v1alpha).