pr feedback - rewrite subheadings

Author: inventarSarah

platform-includes/getting-started-capture-errors/javascript.nestjs.mdx

@@ -3,7 +3,7 @@ Additionally, `HttpException`s (including [derivatives](https://docs.nestjs.com/
 
 To make sure Sentry captures all your app's errors, configure error handling based on how your application manages exceptions:
 
-### Using a Global Catch-All Exception Filter
+### Using a Custom Global Filter
 
 If you have a global catch-all exception filter, add a `@SentryExceptionCaptured()` decorator to the filter's `catch()` method:
 
@@ -20,7 +20,7 @@ export class YourCatchAllExceptionFilter implements ExceptionFilter {
 }
 ```
 
-### Not Using a Global Catch-All Exception Filter
+### Not Using a Custom Global Filter
 
 If you don't have a global catch-all exception filter, add the `SentryGlobalFilter` to the providers of your main module, **before** any other exception filters: