minor text updates to improve clarity

Author: inventarSarah

platform-includes/getting-started-install/javascript.nextjs.mdx

@@ -21,13 +21,7 @@ The wizard then guides you through the setup process, asking you to enable addit
 
 </Expandable>
 
-<Alert level="warning" title="Important">
-
-This guide assumes that you enable all features and allow the wizard to create an example page and route. Keep this in mind as you proceed.
-
-</Alert>
-
-You can always add or remove features manually later if needed. Though, the earlier you set these up, the better.
+This guide assumes that you enable all features and allow the wizard to create an example page and route. You can add or remove features at any time, but setting them up now will save you the effort of configuring them manually later.
 
 <Expandable title="What does the installation wizard change inside your application?">
 

platform-includes/getting-started-verify/javascript.nextjs.mdx

@@ -1,6 +1,6 @@
 ## Step 2: Verify Your Setup
 
-<Expandable title="Are you developing with Turbopack?">
+<Expandable level="warning" title="Are you developing with Turbopack?">
 
 The Sentry SDK doesn't fully support `next dev --turbo` as Turbopack is still under development. This means that the Sentry SDK will not capture any data for the frontend. Other than that, your devserver should be fully operational.
 
@@ -10,7 +10,7 @@ Check the latest information on [Sentry's support for Turbopack on GitHub](https
 
 If you haven't tested your setup yet, let's do it now. You can confirm that Sentry is working properly and sending data to your Sentry project by using the example page and route created by the installation wizard.
 
-1. Open the example page `/sentry-example-page`.
+1. Open the example page `/sentry-example-page` in your browser.
 2. Click the "Throw error" button. This triggers two errors:
    - a frontend error
    - an error within the API route