Update docs/platforms/react-native/integrations/custom.mdx

Co-authored-by: Antonis Lilis <[email protected]>

Author: krystofwoldrich

docs/platforms/react-native/integrations/custom.mdx

@@ -70,7 +70,7 @@ This hook is similar to `processEvent`, but it's called before the event is pass
 
 You can use `processEvent` for most cases, but only when you need to ensure that your hook is called before any other `processEvent` hook use `preprocessEvent`.
 
-Similar to `processEvent`, this hook receives the event, hint, and client as arguments. However, this hook won't allow the return of a modified event and won't `null` to drop the event. You can only mutate the passed in event in this hook:
+Similar to `processEvent`, this hook receives the event, hint, and client as arguments. However, this hook won't allow the return of a modified event or `null` to drop the event. You can only mutate the passed in event in this hook:
 
 ```javascript
 const integration = {