Apply suggestions from code review

Co-authored-by: Liza Mock <[email protected]>

docs/platforms/react-native/metrics/index.mdx

@@ -45,11 +45,9 @@ To emit a gauge, do the following:
 
 ## Supported Performance Metric Units
 
-You can pass a unit as a optional parameter of the third argument of the `increment`, `distribution`, `set`, and `gauge` methods.
+Adding a unit as a metric parameter will give meaning to what may otherwise look like abstract numbers. It also allows Sentry to offer controls - unit conversions, filters, and so on - based on the unit you select. You can pass a unit as an optional parameter of the third argument of the `increment`, `distribution`, `set`, and `gauge` methods. If a value has no units, you can supply an empty string or `none`.
 
-Units augment metric values by giving meaning to what otherwise might be abstract numbers. Adding units also allows Sentry to offer controls - unit conversions, filters, and so on - based on those units. For values that are unitless, you can supply an empty string or `none`.
-
-These following units are understood by the Sentry backend, but you can supply any arbitrary units you want.
+The following units are understood by the Sentry backend, but you can add any arbitrary unit you want.
 
 ### Duration Units
 
@@ -84,4 +82,4 @@ These following units are understood by the Sentry backend, but you can supply a
 - `ratio`
 - `percent`
 
-If you want to explore further, you can find details about supported units in our [event ingestion documentation](https://getsentry.github.io/relay/relay_metrics/enum.MetricUnit.html).
+You can find additional details about supported units in our [event ingestion documentation](https://getsentry.github.io/relay/relay_metrics/enum.MetricUnit.html).

platform-includes/metrics/version-support-note/react-native.mdx

@@ -1,5 +1,5 @@
 <Note>
 
-Metrics for React Native are supported with Sentry React Native SDK version `5.19.0` and above.
+Metrics for React Native are supported in Sentry React Native SDK version `5.19.0` and above.
 
 </Note>