Merge pull request #4504 from ptim/patch-1

Author: markerikson

docs/usage/side-effects-approaches.mdx

@@ -209,7 +209,7 @@ function* fetchResource(resource) {
 
 The [Redux-Observable middleware](https://redux-observable.js.org/) lets you use RxJS observables to create processing pipelines called "epics".
 
-Since RxJS is a framework-agnostic library, observable users point to the fact that you can reuse knowledge of how to use it across different as a major selling point. In addition, RxJS lets you construct declarative pipelines that handle timing cases like cancellation or debouncing.
+Since RxJS is a framework-agnostic library, observable users point to the fact that you can reuse knowledge of how to use it across different platforms as a major selling point. In addition, RxJS lets you construct declarative pipelines that handle timing cases like cancellation or debouncing.
 
 #### Observable Use Cases